Serotoxin
[医] 血清毒素
🗣️ 情景例句
I'm in Shanghai looking for possible suppliers.
我此次来上海是想寻找可能合作的供应商。
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
Trafalgar Square, please.
请买一张到特拉法加广场的票。