Hemofuscin
n. 血棕色素
🗣️ 情景例句
What are your hobbies?
你有那些爱好？
An empty bag cannot stand upright.
空袋不能直立。
I spent the whole day in my room, but I did not write a single card!
我在房间里关了整整一天。然而竟连一张明信片也没写成！