Pin valve
[化] 针(形,孔)阀
🧩 词语组成解析
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;
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
🗣️ 情景例句
I don't think I've had the pleasure.
我想我未曾有幸遇见过你。
Charity begins at home, but should not end there.
仁爱须由近及远。
What time will the next train leave?
下一班火车什么时候开？