Hematoidin
[化] 血棕素; 类胆红素\\n[医] 血棕晶质, 胆红素
🗣️ 情景例句
I have been learning English for three years now.
我学英语有3年了。
Sit down, please.
请坐。
I'm looking forward to a prompt reply.
盼迅速答复。