n. 骨头;尸骨;骨质物;有…样的骨头的;
vt. 挑鱼刺,剔骨头;剔去…的骨;
vi. 苦学;专心致志;
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
Wherever you go you'll meet a friend.
不管你到哪里,你总会遇到一个朋友。
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,