Ridging
隆脊; 筑垄
🗣️ 情景例句
I don't know what you are driving at.
我不知道你到底想说什么。
May I use your typewiter?
我能用你的打字机吗？
examined a very large number of men working on aircraft carriers:
调查了许多在航空母舰上工作的人，