with obj.
1
- convey (a thought or feeling) in words or by gestures and conduct表达（思想, 情感）; 表示：
he expressed complete satisfaction.
他表示完全满意。
1.1
express oneself
say what one thinks or means表达自己的想法（或意思）：with a diplomatic smile, she expressed herself more subtly.
她老到地一笑, 更加巧妙地说出了自己的想法。
1.2
- chiefly Mathematics represent (a number, relation, or property) by a figure, symbol, or formula【主数】用图形（或符号、公式）表示（数字, 关系, 属性）：
constants can be expressed in terms of the Fourier transform.
常数可以用傅里叶变换式来表示。
1.3
- （一般作be expressed）Genetics cause (an inherited characteristic or gene) to appear in a phenotype【遗传】使（遗传特性, 基因）得到表达。
2
- squeeze out (liquid or air)榨出（液体）, 挤压出（液体或空气）。
派生词
expresser
nounexpressible
adjective词源
late Middle English （also in the sense 'press out, obtain by squeezing or wringing', used figuratively to mean 'extort'）： from Old French expresser， based on Latin ex- 'out'+pressare 'to press'.
1
- operating at high speed（特）快的, 快速的：
an express airmail service.
航空快件业务。
1.1
- (of a train or other form of public transport) making few intermediate stops and reaching its destination quickly（火车等公共交通工具）直达的, 特快的：
an express train bound for Innsbruck
开往因斯布鲁克的特快列车
an express bus service.
快速公交。
1.2
- denoting a service in which messages or goods are delivered by a special messenger to ensure speed or security快送的; 快运的; 快递的：
an express letter.
特快信。
- by express train or delivery service由快速列车; 用快递：
I got my wife to send my gloves express to the hotel.
我叫妻子用快递方式将我的手套发送到了旅馆。
1
- （亦作express train）a train that stops at few stations and so travels quickly特快列车。
2
- a special delivery service快递业务：
the books arrived by express.
书是用快递方式寄来的。
2.1
- N. Amer. a company undertaking the transport of parcels〈北美〉（包裹的）捷运公司。
3
- an express rifle初速大的猎枪。
with obj.
- send by express messenger or delivery特快发运; 特快专送：
I expressed my clothes to my destination.
我将衣物特快发送到了我的目的地。
词源
early 18th cent. (in the sense of the verb)： extension of EXPRESS3 ; sense 1 from express train, so named because it served a particular destination without intermediate stops, reflecting an earlier sense of express 'done or made for a special purpose', later interpreted in the sense 'rapid'. Senses relating to express delivery date from the institution of this postal service in 1891.
1
- definitely stated, not merely implied明确的; 明确表示的：
it was his express wish that the celebration should continue.
庆典继续举行是他明确表达的愿望。
1.1
- precisely and specifically identified to the exclusion of anything else专门的：
the schools were founded for the express purpose of teaching deaf children.
这些学校是专门为教育失聪儿童创办的。
1.2
- archaic (of a likeness) exact〈古〉（相似物）酷似的; 丝毫不差的。
派生词
expressly
adverb词源
late Middle English: from Old French expres, from Latin expressus 'distinctly presented', past participle of exprimere 'press out, express', from ex- 'out'+primere 'press'.