Etec
[医][=enterotoxic escherichia coli]肠毒素大肠杆菌
🗣️ 情景例句
so she had to take an earlier flight today.
所以她不得不在今天搭早一班的班机。
I've got no idea.
我不知道。
The rain will stop later on.
以后雨会停的。