Opv
[医][=oral polio vaccine]口服脊髓灰质炎疫苗
🗣️ 情景例句
You handed them to me.
你将它们给了我。
She felt awkward.
她想到受到惩罚时的尴尬。
He explained that his diet was so strict that he had to reward himself occasionally.
他解释说，他的饮食控制得太严格了，以致不得不偶尔奖赏自己一下。