Praetrsonics
极超短波晶体声学, 特超声(学)
🗣️ 情景例句
Would you kindly hold these keys, please?
请帮我拿一下钥匙。
He answered almost all of my questions.
他回答了我几乎所有的问题。
Meanwhile, my tongue was busy searching out the hole where the tooth had been.
与此同时，我的舌头正在忙着寻找刚拔掉的那颗牙的伤口。