External vane pump
[化] 偏心旋转泵
🧩 词语组成解析
external
[ɪk'stɝnl]
adj. 外面的，外部的;表面上的;外用的;外国的;
n. 外部，外面;外观;外部情况;
exter出去+nal=al...的 → 出去的 →在外面的 →外部的
n. 风向标, 风信旗, 变化不定的事物\\n[机] 轮叶, 叶
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
Could you explain it more precisely for us?
您可不可以讲得详细一点？
Would it be too much to ask you to respond to my question by tomorrow?
可以请你在明天以前回复吗？
All this was comparatively slow until, with the coming of science, the tempo was suddenly raised.
所有这些发展都比较缓慢，而随着科学的到来，增长的速度才突然加快。