Vaccinogen
[醫(yī)] 菌苗源, 疫苗源(動(dòng)物或人)
??? 情景例句
Are you traveling alone or whth a friend?
你是一個(gè)人旅行還是結(jié)伴旅游？
Did you watch the new office building being built?
你看過(guò)在建設(shè)中的新的辦公樓嗎？
I know you make things. But what do you make?
我知道你會(huì)做東西，但是你都做些什么呢？