Seroepidemiology
n. [醫(yī)]血清流行病學(xué)
??? 情景例句
How much do I owe you?
我應(yīng)付你多少錢？
One has lived too near a wood to be frightened by owls.
深知底蘊(yùn)，不以為怪。
I'll see to it
我會(huì)留意的。