Strobophonometer
爆震测声计(测量汽油在发动机中爆震时声音强度的仪器)
🗣️ 情景例句
I think I've caught a cold.
我觉得我感冒了。
Courtesy costs nothing.
谦虚恭敬，不用分文。
I visited museums and sat in public gardens.
我参观了博物馆，还去了公园。