Pneumatic ramming - [机] 气动捣砂，怎么读怎么用

🧩 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

I don't care. I'm not fussed either way.

我不介意。我亦没有自寻烦恼。

Providence is always on the side of the strongest battalions.

天公总是佑强者。

During the summer, I noticed tat the leaves of the tree were beginning to wither.

到了夏天，我发现树叶开始枯萎，

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