Preimmunization
[医] 幼儿期免疫接种
🗣️ 情景例句
There's another advanced class today at four o'clock.
今天下午四点钟还有一次高级班。
A forest fire has consumed all the trees here.
一场森林大火将此地的树木焚烧殆尽了。
I'm sure that you need an X-ray, Andy.
我看你需要做一次X光透视。