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 ones early twenties 与 in ones late twenties 有什么区别?（ones是某某人的意思） 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 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 one's early twenties和in one's late twenties意思是一样的吗?为什么一个是early,一个是late? I have served army___when I was__. A.in the 1980's,in the twenties B.in the 1980's,in my twenties在某人20岁, 到底是in the twenties还是 in my twenties?谢谢各位! in the twenties和in one's twenties所表达的意思有什么区别. ( )of the students in John's class are in ( )A.one-half,the twenties B.Half ,the twenties C.half,their twenties D.A half ,their twenties 一句英语的语法理解in one's twenties or something 和 in one's twenties的区别 英文表年龄,in one's six?in one's six?有没有错,in one's twenty or in one's twenties? 在某人十多岁的时候是in one's teens还是in one's tens He was only in ( ) at that timeHe was only in ( ) at that time A.his twenties B.his twenty-one C.the twenties D.the twenty-one He served in the army in ___when he was in ____A.1940's ;his twenties B.1940's ;the twenties C.the He served in the army in ___when he was in ____A.1940's ;his twenties B.1940's ;the twentiesC.the 1940's ;his twenties D.the 1940's ;the twenties 帮我写一篇topic你认为怎样才算成功必用的关键词：used to do sth 、in one's twenties（或者thirties等）、so that、of one's own 一分钟左右 在某人的假日里是on one's holiday还是in one's holiday 在某人的假期里是In one's holiday还是on one's holiday? 在某人心中是on one's mind还是in one's mind 是in one's care 还是on one's care ,在某人的照顾下 是in one's hand还是in one's hands