This book mainly tells the story of the Nautilus submarine. In 1866, a large monster suspected to be a narwhal was discovered at sea.?
Professor Aronnas and his servant Consel were invited to join the hunt.During the chase.
they fell into the water with Harpooner Ned Lan and landed on the back of the monster.?
They found that the monster was not a narwhal, but a wonderfully constructed submarine.
The submarine was secretly built by Nimo on a desert island in the ocean. Its hull was strong and it used sea water to generate electricity.?
Captain Nimo invited Aronnas to take an underwater trip.They set out from the Pacific Ocean and passed through coral islands, the Indian Ocean, the Red Sea.
the Mediterranean Sea and the Atlantic Ocean. They saw many rare animals, plants and strange sights in the sea.
The journey also experienced many dangers, such as stranding, indigenous siege, fighting with sharks, iceberg road closure, Octopus attacks and so on.?
Finally, when the submarine arrived on the Norwegian coast, the three men said goodbye and returned to their hometown.
中文版：
此書主要講述鸚鵡螺號潛艇的故事。1866年，海上發現了壹只疑似為獨角鯨的大怪物，阿龍納斯教授及仆人康塞爾受邀參加追捕。
在追捕過程中，他們與魚叉手尼德·蘭不幸落水，到了怪物的脊背上。他們發現這怪物並非是什麽獨角鯨，而是壹艘構造奇妙的潛艇。
潛艇是尼摩在大洋中的壹座荒島上秘密建造的，船身堅固，利用海水發電。尼摩船長邀請阿龍納斯作海底旅行。
他們從太平洋出發，經過珊瑚島、印度洋、紅海、地中海、大西洋，看到海中許多罕見的動植物和奇異景象。
途中還經歷了擱淺、土著圍攻、同鯊魚搏鬥、冰山封路、章魚襲擊等許多險情。最後，當潛艇到達挪威海岸時，三人不辭而別，回到了他的家鄉。
擴展資料：
創作背景：
The cruel repression of the Polish people's uprising against the Czar's dictatorship was a trigger for Verne's creation of "20,000 miles under the sea".
In his novel, he portrays Captain Nimo as a lofty image against the dictatorship of the Czar.?
It is endowed with a strong sense of social responsibility and humanitarianism to express its criticism of reality.
At the beginning of the novel, there was a debate between Verne and publisher Hezel about the character of the hero, Captain Nemo of Nautilus.
Hezel believed that Nimo should be described as a deadly enemy of the slave trade, providing a clear and ideal defense for his relentless attacks on certain ships at sea.
But Verne wanted Nemo to be Polish, and he never forgavently pointed his hatred at the Russian Czar (who had bloodily suppressed a Polish uprising).
But Hezel feared that he would cause diplomatic disagreement, forbidding the book on the profitable Russian market.?
Finally, the authors and publishers gradually compromised.They believed that Nimo's real motivation should be ambiguous to be attractive.
Nimo should be roughly defined as an advocate of freedom and an avenger of oppression. In Mysterious Island, it was announced that he was Prince Dhaka of India.
中文版：
波蘭人民反對沙皇獨裁統治的起義遭到殘酷鎮壓是凡爾納創作《海底兩萬裏》的壹個導火索。他在小說中塑造了尼摩船長這個反對沙皇專制統治的高大形象。
賦予其強烈的社會責任感和人道主義精神，以此來表達對現實的批判。創作小說之初，凡爾納和出版商赫澤爾之間就書中的主人公鸚鵡螺號船長尼摩的特征展開了壹場爭論。
赫澤爾認為該把尼摩描寫成為奴隸販賣交易的死敵，為他對某些海上船只的無情攻擊提供清晰而理想的辯護。
但凡爾納卻希望尼摩是位波蘭人，他永不寬恕地把仇恨直指向俄國沙皇（他曾血腥鎮壓了壹場波蘭人的起義）。
不過赫澤爾擔心他引起外交上的分歧，使該書在有利可圖的俄國市場上遭禁。最後，作者和出版商逐漸相互妥協了，他們認為尼摩的真正動機應當弄得模棱兩可才有吸引力。
尼摩應當被大致定位為自由的擁護者和反壓迫的復仇者。在《神秘島》中，這才公布他是印度達卡王子。
百度百科-海底兩萬裏