Ectophylaxination
被动免疫, 外来免疫
🗣️ 情景例句
I would like to open a checking account.
我想开一个支票户头。
Personally,I prefer winter weather.
个人而言,我比较喜欢冬季天气。
When did you have a meeting?
你们什么时候开的会？