Ultraphonics
超声学
🗣️ 情景例句
My friend's a chain smoker.
我的朋友烟瘾很重。
It was not until the accident happened that I became aware of my own foolishness.
直到事故发生我才意识到我自己的愚蠢。
Then I added with a smile,
我微笑地接着说，