Piperin
n. 胡椒碱
🗣️ 情景例句
I don't mind what you do.
你干什么事我都不在乎。
I said, Do you need any help?
我是说:你需要帮忙吗？"
I didn't know she could swim. Who taught her?
我不知道她会游泳。谁教她的？