Polyerg
[医] 多能血清(单种血清而作用于异种抗原)
🗣️ 情景例句
I'm surprised they're not here.
我奇怪他们怎么没来。
Yes, it's not like what the radio said at all.
是的，一点也不像收音机里说的那样。
He struck his attacker on the ear.
他打了那个攻击者一耳光。