Sedimentin
血沉素, 促红细胞沉降物质
🗣️ 情景例句
Let's go to the fraternity party.
咱们去兄弟会吧。
He hears a nice tune. Now, he is listening to it.
他听到了美妙的旋律。现在，他在倾耳聆听。
If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours.
如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。