Tabulata
横板珊瑚亚纲, 床板珊瑚
🗣️ 情景例句
Have you got time this morning
今天上午你有时间
Laugh before breakfast you'll cry before supper.
乐极生悲。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，