Immunoprophylaxis
接种免疫, 免疫预防
🗣️ 情景例句
Christmas is coming up. Zhao Ming, let me ask you a question.
圣诞节快到了，赵明，我问你个问题。
I was just on time.
我刚好赶上。
He's not in his office at the moment.
他现在不在办公室里，