Sumer
n. 苏美尔（古地区名）
🗣️ 情景例句
Good afternoon, Mrs. Martin. I've come to see Mr. Martin.
您好，马丁夫人。我来看看马丁先生。
The outsideer sees the best (or most) of the game.
旁观者清。
Three quarters of the world's books and newspapers are written in English.
3/4的书籍和报纸是用英语写的。