Boltaction
（步枪）有用手操作的枪机的
🗣️ 情景例句
Guess what?
你猜怎么的？
His presence in the room was not noticed.
没有人注意到他在房间里。
Another man lit a cigarette but it burnt strangely and so he too put it out.
另一个工人点燃一支烟，但烟燃得怪怪的，于是他也把烟灭了。