Hemarthrosis
[医] 关节积血
🗣️ 情景例句
If there's anything you need, just knock on my door.
有什么需要帮忙的话，尽管敲门来找我。
How much is it to rent an economy car?
租一辆经济车要多少钱？
There were hundreds of people there.
许许多多人都去了赛场。