Pumping unit
[化] 水泵机组
🧩 词语组成解析
n. 抽水, 泵送\\n[化] 抽运
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
One of the critics is coming over this morning for a preview.
一位评论家今天早上要来看预展。
Shut up!
闭嘴！
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.
100年前，我们只知道海洋是二维平面形的，以及靠近陆地浅水区的深浅不一能给航行带来危险。