Opv
[医][=oral polio vaccine]口服脊髓灰质炎疫苗
🗣️ 情景例句
He looks a lot like you, Mom. He does.
他像你， 妈妈。他像 。
We can offer you a price of 8 pounds per item, from 20 days, after which the price will be subject to an increase of 5%.
我们给您报价每件8英镑，有效期20天，过期价格增加5%。
What shall we do tonight?
我们今天晚上去干点儿什么呢？