Opv
[医][=oral polio vaccine]口服脊髓灰质炎疫苗
🗣️ 情景例句
You'll meet them.
你会见到他们的。
I was born on September 1st, 1976.
我出生在1976年9月1日。
When he woke up next morning, he discovered that the boat had, in the meantime, travelled to Calais.
第二天早上他醒来时，发现船在这段时间已经到了加。