Bookend
n. 书挡, 压书具
🗣️ 情景例句
You look bothered. Is there something I can help you with?
看你好像有点烦恼，有什么我可以帮忙吗？
Do you have an extension?
你有分机吗？
No two sorts of birds practise quite the same sort of flight;
没有任何两种鸟的飞行方式是相同的。