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VERB
表达;表述
When you express an idea or feeling, or express yourself, you show what you think or feel.
例句
He expressed grave concern at American attitudes...
他对美国的态度表示严重关切。
Sumner would greet us with frowns and grimaces, doing his best to express wordless disapproval...
萨姆纳会冲我们皱眉，做苦脸，竭力表示他无言的反对。
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VERB
（观点、感情等）体现，不言自明
If an idea or feeling expresses itself in some way, it can be clearly seen in someone's actions or in its effects on a situation.
例句
The anxiety of the separation often expresses itself as anger towards the child for getting lost.
离散带来的焦虑常常体现为对走失的孩子发火。
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VERB
（用符号等）表示，表达
In mathematics, if you express a quantity or mathematical problem in a particular way, you write it using particular symbols, figures, or equations.
例句
We can express that equation like that...
我们可以这样表示那个等式。
It is expressed as a percentage.
它是以百分比的形式表示的。
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ADJ
（命令）明白表示的，明确的
An express command or order is one that is clearly and deliberately stated.
例句
The ship was sunk on express orders from the Prime Minister.
遵照首相的明确指令，那艘船被击沉了。
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ADJ
（目的或意图）明确的，特别的
If you refer to an express intention or purpose, you are emphasizing that it is a deliberate and specific one that you have before you do something.
例句
I had obtained my first camera for the express purpose of taking railway photographs.
我已经买了我的第一架照相机，专门用来拍摄铁路。
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ADJ
快递的;特快的;快速的
Express is used to describe special services which are provided by companies or organizations such as the Post Office, in which things are sent or done faster than usual for a higher price.
例句
A special express service is available by fax...
提供传真特快专递服务。
It was sent to us by express mail.
那是用快递寄给我们的。
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N-COUNT
特快列车
An express or an express train is a fast train which stops at very few stations.
例句
Punctually at 7.45, the express to Kuala Lumpur left Singapore station...
7点45分，开往吉隆坡的特快列车准时驶离新加坡火车站。
He had boarded an express for Rome.
他已经登上了前往罗马的特快列车。
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N-COUNT
特快公共汽车（或长途汽车）;直达公共汽车（或长途汽车）
An express is a fast bus or coach which goes from one place to another directly or with very few stops.