n. (電子) 公告牌;
[例句]The Internet is the largest computer bulletin board in the world.
因特網是世界上最大的計算機公告系統。
[其他] 復數:bulletin boards
n. (電子) 公告牌;
[例句]The Internet is the largest computer bulletin board in the world.
因特網是世界上最大的計算機公告系統。
[其他] 復數:bulletin boards