Odontotrypy
[医] 钻牙术, 髓腔切开术
🗣️ 情景例句
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
Would you care to take a seat while I make out a receipt?
请坐一会儿好吗？我给您开个收据。
I'm very much interested in your personal computers.
我对你们的个人电脑深感兴趣。