Serosal
[医]浆膜的
🗣️ 情景例句
Have you had dinner yet?
你吃晚饭了吗？
Keep that in mind.
记住那件事。
The people performing all play different instruments and three of them sing too.
参加演出的人都要演奏不同的乐器，其中三位也演唱。