Piston pin
[化] 活塞销
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
pin
[pin]
n. 钉;别针，扣针，饰针;大头针;没价值的东西;
vt. 压住;（用钉等）钉住，钉住，别住，扣住;用障壁等)围住，关住（俚语）抓住;[军]牵制;
adj. 针的;钉的;销的;大头针的;
🗣️ 情景例句
You don't seem very enthusiastic about his suggestion.
你似乎对于他的建议并不很感兴趣。
It's incredible.
难以置信！
I beg your pardon?Who's climbing the tree?
你说什么？谁在爬树？