Polypteroid
多鳍鱼类的鱼
🗣️ 情景例句
It's not finished yet.
现在还没有完成。
Don't swap horses when crossing a stream.
行至中流不换马；危难之时不宜作大变动。
It is six o'clock.In the evening, the children usually do their homework, but this evening, they are not doing their homework.
现在是6点钟。晚上，孩子们通常是做作业，而今天晚上，他们没做企业。