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.

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. fifteen-year-olds是什么意思? seven-year-olds Twelve-Year-Olds翻译 three-year-olds汉语意思 year olds还是years old? sixteen year olds 还是sixteen year old? 英语翻译全句：Children two and a half to three years old remember experiences that occurred in their first year,and eleven month olds remember some events a year later.看到一个翻译：两岁半到三岁的孩子能够记得他们一岁时 fifteen-year-olds看做单数还是复数? 为什么six-year-olds 是正确的 什么情况下用five-year-olds? sixteen-year-olds能做主语吗? sixteen-year-olds 这种表达正确么? sixteen-year-olds单数还是负数 sixteen-year-olds跟sixteen-year-old有什么区别?保证两种都是对的,书上都出现过,意思不一样,不一样在哪? a eleven-year-old还是an eleven-year-old five-six-year olds是什么意思与five six-year olds的区别是什么 six-year-old与six-year-olds的区别