Nigrities
[医] 发黑, 黑变
🗣️ 情景例句
Different kinds of activities, such as commenmorative meetings, planting trees,
举行各种各样的活动，例如召开纪念大会，植树造林，
Today is May 21st.
今天是五月二十一号。
I didn't know she could swim. Who taught her?
我不知道她会游泳。谁教她的？