Hemocoelom
[医] 围心腔(胚胎), 血腔(昆虫)
🗣️ 情景例句
We are on good terms with each other.
我们彼此交情好。
He's a student.
他是学生。
Late? No, you aren't. You're early. It's Sunday today !
晚了？没有啊！你挺早的呢，今天是星期日。