silencer
n
(a) (Brit) (US muffler) device that reduces the noise made by a vehicle's exhaust (机动车的)消声器. =>illus at App 1 见附录1插图, page xii.
(b) device that reduces the noise made by a gun being fired (枪的)消声器. silence interj be quiet 安静; 别出声
`Silence!' shouted the teacher. `安静!'教师喊道.
🗣️ 情景例句
Thank you, you are a real credit to the car repair industry.
感谢你,你真的为汽车维修业增了光。
No. Mine is blue.
不是。我的是蓝的。
Good idea! It's much better than having classes! Can I go, too?