Hematosac
[医] 血囊
🗣️ 情景例句
Their life together has been wonderfully happy.
他们在一起的生活极为幸福。
It was after dark when we got back,and we were all tired.
我们回来时天已经黑了，并且我们都很疲倦。
It is not so easy as you think.
这事没有你想象的那么简单。