Boltoperated
a. (枪械)使用活动枪栓的
🗣️ 情景例句
He is behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
I haven't the least idea.
我一点儿也不知道。
He ate simply, and never ate meat. He rose early in the morning and worked at his wheel, making cotton thread.
他吃得很简单，且从不吃肉。他每天早晨早早就起床，转动纺车，纺棉纱。