Injection piston
[化] 注射柱塞
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
John, what are you going to do?
约翰，你要干嘛？
If one desires to succeed in anything, he must pay the price.
如果想做成点事，就得付出代价一干。
They are constantly after the turtles, who peacefully submit to all sorts of indignities.
它们经常追逐海龟，海龟则温顺地忍受着各种侮辱。