Breechblock
n. 炮闩, 闩体, 尾栓
🗣️ 情景例句
Weren't they going to be here this morning?
他们不是今天早上要来这儿吗？
That was a close call! We nearly hit that car.
真是好险阿，我们差点撞着那辆汽车。
Where's your homework, Jim?
吉姆，你的家庭作业在哪儿？