Ectophylaxination
被动免疫, 外来免疫
🗣️ 情景例句
if we can put up some collateral.
如果我们能提供担保物的话。
When poverty comes in at the door,love flies out of the window.
贫穷一进门，爱情跳窗走。
Is that the office manager over there?
在那边的那位是经理吧？