Underhammer
下置式击鎚
🗣️ 情景例句
I am for that.
我赞成。
He has a headache and needs aspirin.
他头痛，需要阿斯匹林。
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。