Pneumatic ramming

[机] 气动捣砂

🧩 词语组成解析

pneumatic [numætɪk]
adj. 充气的;气动的;装满空气的;有气胎的; n. 气胎;有气胎的自行车;(风琴的)管;
pneum呼吸 + atic...的 → 装满空气的, 有气胎的
ramming
[机] 捣砂, 捣制

🗣️ 情景例句

Thank you. Yes, actually Mary and I have been planning this for some time.
谢谢。其实玛丽和我已计划了很久。
How much is that?
那个多少钱?
Last spring my wife suggested that I call in a man to look at our lawn mower.
今年春天,妻子让我请人检查一下我家的割草机。
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