Peiminone
[化] 贝母酮
🗣️ 情景例句
Is unable to express himself clearly.
不能很好地表达自己。
This is a diploma.
这是一张文凭。
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。