Octocorallia
八射珊瑚亚纲
🗣️ 情景例句
Five?
5号
I'm not really sure about that. Mr. Jiang should know the answer to that.
关于那事我不敢确定，蒋先生应该知道答案。
Suddenly, they heard a voice behind them.
突然他们听到身后有声音。