year-olds与year-old的区别16-year-olds与16-year-old有什么区别吗?

six-year-old与six-year-olds的区别 15-year-old与15-year-olds的区别 year-olds与year-old的区别16-year-olds与16-year-old有什么区别吗? year olds还是years old? sixteen year olds 还是sixteen year old? 16-years-old和16-year-olds的区别 six years old 和 six- year- old 和 six- year- olds的区别如题 five-six-year olds是什么意思与five six-year olds的区别是什么 sixteen-years-old与sixteen years old有什么区别sixteen year olds与sixteen-year-old都是什么时候用 sixteen -year -olds和sixteen -year -old有什么区别 请问怎么用比如：ten year old 我见过有些选择题是这样的 Ten--years--old Ten--years--olds Ten--year--olds Ten--year--old Ten years old Ten years olds Ten year olds Ten year old我见过有些英语是这样的,请问这个 Ten year o 16-year-olds 与the+形容词的区别 16岁的男孩们 英语怎么说sixteen-year-olds boy和sixteen-year-old boys哪个对?还有sixteen-year-olds对么？ 请问X-year-old和X years old 的区分和具体用法?还有 X－year－olds sixteen year old、sixteen-year-olds、sixteen-year-old有什么区别 eleven-year-olds跟eleven-year-old的音标分别是什么?谢eleven-year-olds跟eleven-year-old这是我在英语书上看到的,烦请哪位知情人士告知音标. 数字 years/year old与 数字-year-old的区别 Sixteen-year-olds should be allowed drive.sixteen-year-old 是形容词,不应该加S的,