Phonometry
声强度测量法
🗣️ 情景例句
I can't drive, I've never driven in my life.
我不会开车，我这辈子都没开过车。
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
I'm very glad to hear that.
很高兴听你这样说。