expressionKK [ɪkˋsprɛʃən] /ɪkˈspɹɛʃən/发音名词1表情、神情Her expression changed the moment she read the letter.她一读到那封信,表情就变了。2表达、表露、抒发Painting became his main form of expression after the accident.那场意外之后,绘画成了他主要的表达方式。3用语、说法、词语That expression sounds rude to most native speakers.那个说法在多数母语者听来很没礼貌。4表现力、感情多指演奏或朗读She plays the piece accurately but with little expression.她这首曲子弹得很准确,却少了表现力。5运算式、表达式数学、电脑The program crashes if the expression returns a null value.若这个运算式回传空值,程式就会当掉。6表现、表达生物Stress can alter the expression of certain genes.压力可能会改变某些基因的表现。用这个字练口说→