1、具体是可数还是不可数，要在具体语言环境中体现，表示“影响、效应、印象，效果、结果“时，既可用作可数名词，也可以作不可数名词。
例句：This book has a great effect on her growth. 这本书对她的成长有很大影响。
2、effect可以表示“（个人）财产、财物、遗物、所有物，作可数名词
例句:His daughters were collecting his effects. 他的女儿们当时正在整理他的遗物。
3、effect 作“作用;影响”解时，表示“对……产生作用”，要用介词谈雀on。若前面有动词give，后可接介词to。组成短语词组，in effect，take effect，come into effect，put/bring... into effect等时做不可数名词。
例句:He felt sick from the effect of weather.
1、What you say or do 带侍胡will have an effect on others.
你所说或所做的每一件事都会对别人产生影响。
2、The scientists doing the experiment have pounced on the effect of the particular moment.
做实验的科学家们抓住了这个特殊时机的效果。
3、The playwright does something remarkable in this scene, but without any impression of straining after an effect.
剧作家在这场中有许多蠢拦惊人妙笔，但并不给人留下竭力追求表面效果的印象。
标签：可数名词,用做,何时
