🧩 词语组成解析
displacement
[dɪs'plesmənt]
n. 取代，替代;免职，停职;[船] 排水量;[化]置换;
dis 不、无+ place 放，地方+ ment 表示行为、行为的过程或结果 → n.移置, 转移, 取代, 置换, 位移, 排水量
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Try again.
再试一次。
I imagine you are tried after your trip.
我想你旅行回来一定疲惫不堪吧。
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。