Alusulf
[化] 铝硫复(保磷药)
🗣️ 情景例句
Hi, Susan.
嗨 Susan。
If you want knowledge,you must toil for it.
若要求知识，须从勤苦得。
Mr Brain has just heard Zheng Jie playing the piano in a concert.
布雷恩先生刚听了郑杰在音乐会上的钢琴演奏。