Ecat
[医][=emission computed assisted tomography]发射计算机体层摄影术
🗣️ 情景例句
I'd like to cash some traveller's checks here.
我想在这儿兑换一些旅行支票。
It's certainly a big improvement over yestterday.
肯定比昨天大有好转。
Do you want any meat today.Mrs. Bird?
您今天要买点肉吗，伯德夫人？