Bookstacks
(bookstack 的复数) n. 书架
🗣️ 情景例句
Thanks again.
再次谢谢 。
Let me introduce myself.
让我自我介绍一下。
that people have for years assumed that the process of losing vigour with time,
多年来就已认识到。生命力随着时间流失而丧失活力，