Long throughput times; Long cycle times 分别是什么意思（time为什么是复数）?

tough times为什么time要用复数? long times 与 long hours 的区别. how long four times a 1.不可数名词前有形容词可加冠词吗?可变复数吗?怎么变?for a long time;for long times对不 in recent times为什么time是复数?time做时间的时候不是不可数名词吗? Best wishes for myself Times long and The long very long journey is ,indifferent in former times. This railway is as three times long as that one.中的three time 单词 always ,at all times ,all the time ,for ever ,all long ,都 time times 哪个是乘（动词）? 有点奇怪的问题：《泰晤士报》叫《The Times》,意思是“时报”,为什么Time用的是复数啊? at times, in time, all the time, from time to time 分别是什么意思?快