第壹種:
Ed Malone, goes to his news editor, McArdle, to get a dangerous and adventurous mission to impress the woman he loves. He is sent to interview Professor Challenger, who has assaulted four or five other journalists, to determine if his claims about his trip to South America are true. After assaulting Malone, Challenger reveals his discovery of dinosaurs in South America. After having been ridiculed for years, he invites Malone on a trip to prove his story, along with Professor Summerlee, another scientist qualified to examine any evidence, and Lord John Roxton, an adventurer who knows the Amazon and several years previous to the action in the book helped end slavery by rubber barons in South America. They reach the plateau with the aid of Indian guides, who are superstitiously scared of the area. One of these Indians, Gomez, is the brother of a man that Roxton killed the last time he was in South America. When the expedition manages to get onto the plateau, Gomez destroys their bridge, trapping them. Their "devoted negro" Zambo remains at the base, but is unable to prevent the rest of the Indians from leaving.
Deciding to investigate the lost world, they are attacked by pterodactyls at a swamp, and Roxton finds some blue clay to which he takes a great degree of interest. After exploring the terrain and having a few misadventures in which the expedition narrowly misses being killed by dinosaurs, Ce of the plateau who the ape-men are constantly at war with. Roxton manages to escape and team up with Malone to mount to a rescue. They arrive just in time to prevent the executions of the Professors and several other humans, who take them to human tribe. With their help, they defeat the ape-men, taking control of the whole plateau.
After witnessing the power of their guns, the human tribe does not want the expedition to leave, and tries to keep them there. However, the team finally discovers a tunnel that leads to the outside, where they meet up with Zambo and a large rescue party. Upon returning to England, they present their report, which many dismiss like they did Challenger's original story. Having planned ahead, Challenger shows them a live Pterodactyl as proof, which then escapes and flies out into the ocean. . Challenger opens a private museum, Sumerlee retires to categorize fossils, and Roxton plans to go back to the lost world. Malone returns to his love, Gladys, only to find out that she married a clerk while he was away. With nothing keeping him in London, he volunteers to be part of Roxton's second trip.
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第二種：
Explorer Professor Challenger is taking quite a beating in the London press thanks to his claim that living dinosaurs exist in the far reaches of the Amazon. Newspaper reporter Edward Malone learns that this claim originates from a diary given to him by fellow explorer Maple White's daughter, Paula. Malone's paper funds an expedition to rescue Maple White, who has been marooned at the top of a high plateau. Joined by renowned hunter John Roxton, and others, the group goes to South America, where they do indeed find a plateau inhabited by pre-historic creatures, one of which they even manage to bring back to London with them.
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第三種：
At the dawn of the 20th century, a band of adventurers are part of an expedition to prove the existence of a lost world isolated from the modern world. Disaster happens and the band find themselves trapped and isolated in this dangerous land with only the help of a young wild woman who was stranded in the land herself as a child. Together, the band fight to survive against the fearsome dinosaurs and other dangers that land has as they search for a way to escape.
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第四種：
THE LOST WORLD: JURASSIC PARK is director Steven Spielberg’s sequel to his original dinosaur thriller. Dr. Ian Malcolm (Jeff Goldblum) returns for more dino-horror when, four years after the disaster at the would-be amusement park, another expedition is mounted by millionaire John Hammond (Richard Attenborough). To document the natural behavior of the beasts at a mysterious Site B, Hammond sends a team comprising Malcolm; Malcolm's girlfriend, paleontologist Dr. Sarah Harding (Julianne Moore); and a wildlife videographer (Vince Vaughn). They face adversity in the form of a less-than-scrupulous big-game hunter (Pete Postlethwaite) and, of course, the terrible lizards themselves. The film is loosely based on Michael Crichton’s novel THE LOST WORLD, which was named after the 1912 Sir Arthur Conan Doyle novel of the same name. Spielberg proved his determination to alternate making socially conscious films with directing movies of sheer entertainment value; his prior film to THE LOST WORLD was SCHINDLER’S LIST, and he followed the dinosaur adventure with AMISTAD.
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第五種：
A young journalist, Edward Malone sets out on a 19th century expedition to explore the Amazon rainforest with explorer George Challenger, zoologist Summerlee and hunter Lord John Roxton. On their exploration they discover more then they could ever imagine with a world that has ape men and dinosaurs still living and flourishing in the wild. The men are shocked at their discovery and make the journey back to their civilization barely surviving their wild companions.
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第六種：
Just when you'd think that scientists would realize dinosaurs and humans don't mix, along comes The Lost World: Jurassic Park to prove you wrong. In this sequel, John Hammond (Richard Attenborough) summons chaos theorist and onetime colleague Ian Malcolm (Jeff Goldblum) to his home with some startling information -- while nearly everything at his Jurassic Park had been destroyed, engineers were also operating a second site, where other dinosaurs, resurrected through DNA cloning technology, had been kept in hiding. Hammond has learned the dinosaurs on the second island are alive and well and even breeding; Hammond wants Malcolm to observe and document the reptiles before Hammond's financiers can get to them. Malcolm declares he had enough of the dinosaurs the first time out, but decides to make the trip when he finds out that his girlfriend, paleontologist Sarah Harding (Julianne Moore), is already there. However, Ian and Sarah aren't the only visitors expected on the island; a camera crew led by ecological activist Nick Van Owen (Vince Vaughn) is on the way, as is Roland Tembo (Pete Postlethwaite), a world-class wild game hunter who is supposed to round up the dinosaurs and who hopes to bag a prehistoric trophy for himself in the process. This sequel to Jurassic Park boasted even more impressive special effects than the first film, though the acting and screenplay aren't always at the same level. Mark Deming, All Movie Guide