expression表达可数吗用法[朗读]

expression意思作：表示；表情和（数学）表达式；词的时候可数。expression的名词复数为expressions
释义：n.表现，表示，表达；表情，脸色，态度，腔调，声调。
扩展资料。
例句：
laughter is one of the most infectious expressions of emotion
笑是最具感染力的情感表达方式之一。
the civil servant's expression,however,did not change,not so much as by a flicker
然而，那位公务员的`表情还是那样，丝毫没变。
i don't sing perfectly in tune,but i think i put more expression into my lyrics than a lotof other singers do
我唱歌不是特别合拍，但我认为我唱得比其他很多歌手都更富感情。
she spoke in a quiet voice but used remarkably coarse expressions
她说话声音很小，但是用了些特别粗俗的字眼儿。
this forms the basis for our mathematical expression for the electric field
这是电场数学表达式的基础。