Opv
[医][=oral polio vaccine]口服脊髓灰质炎疫苗
🗣️ 情景例句
The horse leaped a stream.
马越过小溪。
Ouch! That hurts.
好痛呦！会受伤哩！
All the items that were found were sent to the War Museum.
那次打捞到的所有物品均被送往军事博物馆。