Boltaction
（步枪）有用手操作的枪机的
🗣️ 情景例句
The boxes of presents.
那些礼物盒。
Poverty is the root of all evils.
穷困是万恶之源。
Look! It's inside another pot. What was that pot used for?
“瞧！还是大壶套小壶呢。有什么用途？”