Ceratite
[古生]齿菊石
🗣️ 情景例句
Come on, Michelle.
来吧 Michelle。
By doing we learn.
经一事，长一智。
Alfred stayed in the camp a week before he returned to Athelney.
阿尔弗雷德在敌营呆了一个星期后，回到了阿塞尔纳。