Hch
[医][=hemochromatosis]血色素沉着（症），血色病
🗣️ 情景例句
I know.
我知道。
Lots of people like stamp collecting.
许多人喜欢集邮。
The men got such a fright that they dropped the bag and ran away.
这两个人吓了一跳，扔下提包逃跑了。