Unser
abbr. 【化学、物理学】 unnilseptium
🗣️ 情景例句
Maybe you can photogragh a class,
也许你来拍一次上课的情形，
Sadness and gladness succeed each other.
悲喜互继，哀乐相续。
Can I go and see it, please?
我可以去看看吗？