Damant
硬石
🗣️ 情景例句
But Dad is always so busy.
但是爸爸总是那么忙。
Advanced technology has enriched China.
先进的工业技术使中国富裕起来。
I want to improve, but I don't know how.
我想提高它，但又不知道怎么样才能提高。