Opsonoid
[医] 类调理素
🗣️ 情景例句
Get outta here!
出去！
How old do you have to be to vote in the national elections?
你要多大才能在大选中投票？
The cave might never have been discovered has not the entrance been spotted by the distinguished French pot-holer, Berger.
若不是法国著名洞穴探险家伯杰由于偶然的机会发现了这个洞口的话，这个洞也许不会为人所知。