Cusa
[医]超声吸引手术刀
🗣️ 情景例句
What about the cake?
蛋糕怎么样？
Sometimes I make mistakes when I speak English.
当我说英语时，有时我犯错误。
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。