Colitoxin
大肠杆菌毒素
🗣️ 情景例句
About the quality of 500 cartons of tin food we ordered last time.
是关于我们上次定购的500箱罐头食品的质量问题。
Sob! I didn't mean to kill it. I'm sorry birdie.
呜呜，我无意要杀死你。对不起，小鸟。
They put small presents in each other's stockings.
他们把小礼物装进对方的长统袜里。