Ecat
[医][=emission computed assisted tomography]发射计算机体层摄影术
🗣️ 情景例句
And you promised me a surprise.
而且你答应给我一个惊喜。
The history paper was really easy, so was the biology one.
历史试题确实容易，生物试题也很容易。
She intended to dress up as a ghost and as she had made her costume the night before,
她打算装扮成鬼的模样。头天晚上她已把化装服做好，