Vacuna
瓦库纳
🗣️ 情景例句
His studies advanced steadily.
他的学业不断进步。
I don't think your plan will work.
我想你的计划行不通。
By the way, before leaving this subject, I would like to add a few comments.
在结束这个问题之前顺便一提，我希望能再提出一些看法。