Injection piston
[化] 注射柱塞
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
🗣️ 情景例句
Your real education doesn't start until you get out into the real world.
直到你踏入现实社会，你才真正开始学习。
Thank you. Here's $10:00. Keep the change.
谢谢你。这是10美元，不用找了。
Almost immediately he began to complain about the weather,
但紧接着他就开始抱怨那里的天气了。