Praetrsonics
极超短波晶体声学, 特超声(学)
🗣️ 情景例句
Well, we could tell her
嗯，我们可以告诉她
Now that I have to stand up to introduce myself.
我不得不站起来介绍一下我自己。
Which is your favourite month?
你最喜欢哪个月份？