Riga's disease
[医] 里加氏病, 恶病质性口疮
🧩 词语组成解析
🗣️ 情景例句
we have to talk to Michelle together about being married.
我们必须一起跟 Michelle谈谈我们结婚的事。
Sleep well.
祝您睡好。
Since the sea covers the greater part of the earth's surface,
既然海洋覆盖着地球的大部分表面，