Catalogs
n. 目录；一览表；分类（catalog的复数）
🗣️ 情景例句
I'd love to come. But I have to be on duty this weekend night.
我是想过来，但我周末晚上得值班。
Children enter primary school at the age of 7.
孩子们7岁进小学。
this little 'o' indicated that the train only stopped for mail.
这个标记表示列车是为装邮件而停车。