in one's early twenties和in one's late twenties意思是一样的吗?为什么一个是

in one's early twenties和in one's late twenties意思是一样的吗?为什么一个是 in one"s early twenties 与 in one"s late twenties 有什么区别?（one" in the twenties和in one's twenties所表达的意思有什么区别. 一句英语的语法理解in one's twenties or something 和 in one's twenties的 in one‘s twenties是在某人20几岁时,那in one’s twenty 是在某人20岁时的意思吗 in her early twenties,in her late twenties,in h In his twenties 这句话 twenties为什么是复数啊? in one's twenties 是在某人二十几岁,那么在某人十几岁用英语怎么说 in his twenties 与in his early twenties 的区别 英语常用语句In one's twenties那 in one's ten?怎么说 ten的形式 我见过 给忘了 求回答 She is in her early twenties 其中early twenties 还有别的写法吗? in of at和age之间的用法.如of sb's own age,in their twenties等等.