C.
成人 Adult Edu[医] 接触; 接触人, 以, 用, 和, 居里(放射性强度单位), 卡
🗣️ 情景例句
No, it's Ok.
不用， 没有关系 。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
They finally found a small gold coin which was almost worthless.
但最后找到的是一枚几乎一钱不值的小金币。