Ultraphonics
超声学
🗣️ 情景例句
I've been doing this job for 25 years, and I tell you you're going to stuff it up doing things this way.
我干了这工作已有25年了，告诉你，你这样做事情，会把事情办糟的。
I don't know where I've seen him before.
我不晓得在哪儿见过他。
May I propose that we break for coffee now?
我可以提议休息一下，喝杯咖啡吗？