Backshot
消声器内爆音; 排气管内爆音
🗣️ 情景例句
His experience will be valuable to both of us.
他的经验对你我都很有用。
They intend to stop all traffic through the ports.
他们预定关闭港口的全部交通。
He simply had no sense of danger at all.
而是他压根儿没有一点儿危险感。