Gerontogenesis
老年发生
🗣️ 情景例句
The club will now hear this member's proposal.
俱乐部将听取这个成员的揭底。
I really don't know.
我真不知道。
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。