Esotoxin
内毒素
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
Referring to your inquiry letter dated 29th September, we are offering you the following subject to our final confirmation.
关于贵方9月29日的询价信，我方就如下产品报价，以我方最后确认为准。
I like listening to the radio, but I can't spend much time on it.
我喜欢听收音机，但不能花太多的时间。