Closing pin
[机] 合模销
🧩 词语组成解析
n. 结束\\na. 结束的
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
The college runs summer courses for Chinese learneers of English.
这所学院为学习英语的中国人开设了暑期班。
Where's the door?
门在哪儿？
for she had sixteen watertight compartments.
因为船由16个密封舱组成，