zero degrees为什么degrees是复数?几度是单数?

zero degrees为什么degrees是复数?几度是单数? at zero degrees 零度为什么还要用复数? degree用于温度单复数为什么,zero degrees,不用单数, seven.degrees.below.zero的意思 0度zero degrees centigrade',1度读'one degree centigrade',那1度为什么不加s,0度要加s? 零度是zero degree还是zero degrees可是书上写的是Water freezes at zero degrees Centigrade. 摄氏零下八十度 英语怎么说?是80 degrees Celsius under zero还是80 degrees under zero Celsius Water  at a temperature of zero degrees Celsius.A.having frozenB.freezingC.freezeD.freezes为什么选择第四个?water不是不可数名词吗? 零度是zero degree还是zero degrees?那1度呢?要不要加S? zero修饰的名词的单复数形式zero修饰的名词是单数还是复数,另外0摄氏度应该怎么说,是zero degrees还是 zero degree 零下10摄氏度是这么说吗 it's ten degrees centigrade below zero/ it's minus 10 degrees centigrade. above 与overThe temperature is five degrees over zero.The temperature is five degrees above zero.这两个句子哪个对呀? 为什么zero有复数! 关于摄氏度和华氏度的英文读法摄氏15度fifteen degrees celsiusfifteen degrees centigradefifteen centi degrees零下10摄氏度10 degrees centigrade below zero华氏5度five degrees farenheit以上翻译都对吗?摄氏度哪一种更常 零下30摄氏度用英语怎么念30 degrees below zero centigrade -89.2℃ 英语怎么读?是不是 89.2 degrees centidegree below zero? Be careful.The temperature of the water is ninety degrees above zero.求翻译 When water is cooled below zero degrees Celsius,it freezes（翻译）