Boltaction
（步枪）有用手操作的枪机的
🗣️ 情景例句
Do your designs at home--here.
在家里设计服装。
The physician said smoking is harmful to my health.
医生说了吸烟对我的健康有害。
When I present my views on the competitive products, I will refer to the patent situation.
专利的情况会在说明竞争产品时一并提出。