Sedimentin
血沉素, 促红细胞沉降物质
🗣️ 情景例句
That's where our difficulty lies.
那就是困难所在。
Thank you. It was very kind of you.
谢谢，您太好了。
Fine! I have a new watch. Do you like it?
很好，我有一块新手表，你喜欢它吗？