Sedimentin
血沉素, 促红细胞沉降物质
🗣️ 情景例句
Make sure everybody is at that meeting.
要确定每一位都出席这次会议。
Do you have anything to declare for customs?
你有一些东西申报海关吗？
I want to see the film again.
我真想再看一遍。