express本身就是形容词，名词是expression.
expression：n.表示;表达;表露;表情;神色;词语;措辞;表达方式。
express：adj.特快的;快速的;快递的;用快递寄送的;提供快递服务的。
扩展资料
The report expressed concern over continuing high unemployment.
报告表达了对失业率居高不下的忧虑。
Words cannot express how pleased I am.
言语无法表达我的愉快心情。
Id like to send this express, please.
劳驾，我要寄快递。
You have to pay a high premium for express delivery.
快递须付高额的附加费。
The results are expressed in descending numerical order.
结果按数字降序列出。
