早知文理百科

food复数形式foodsn.食物;(某种)食物foods=many kinds of food，表不同种类种类的食物时候可数 例句 Many people dunk their foods in coffee, tea or milk....

1、一般在名词词尾加s。如dog-dogs, house-houses, gram-grams，officer-officers. 2、以s,ss,sh, ch及x结尾的名词加es构成其复数形式。如 kiss-kisses, wat...

film复数形式filmsn.电影;影片;电影制作艺术;电影业;新闻片v.拍摄电影film的第三人称单数和复数 例句 Stricter controls were placed on the content of vid...

可数名词不能独立存在在句中，必须加上量词或者定冠词或不定冠词。例子I like the flower. 或I like flowers. 不能是I like flower. 可数名词和不可数名词的...

pl是plural（复数）的简写。pluraladj.复数的。n.复数，复数形式，复数词。 构成名词复数，大多数在单数形式后加-s或-es,有下面6种情况 1. 一般情况加s 2. ...

复数z上面有一横是Z的共轭复数的意思如Z=a+bi则z上面一横=a-bi 共轭复数，两个实部相等，虚部互为相反数的`复数互为共轭复数(conjugate complex number)。当...

ability主要指人具有从事体力或脑力劳动的能力，其复数形式表示“才能，专门技能”，固定搭配ability to do sth.或in/for sth. ability的含义较广，主要指人具...

倒计时3天用day表示 three daysdayn.一天;一日;白昼;白天;工作日;一天的活动时间复数 days 例句 Within three days they had exhausted their supply of foo...

disturb名词disturbancen.(受)打扰，干扰，妨碍;骚乱;骚动;动乱;障碍;失调;紊乱复数 disturbances 例句 He was imprisoned for creating a public disturban...

refuse的名词refusaln.拒绝;回绝复数 refusalsrefuse 名词指“废料、废物、垃圾” 例句 We would appreciate confirmation of your refusal of our invitation...