英语翻译years old 这是今年还是去年？

英语翻译years old 这是今年还是去年？ i am ten years old this RT是我今年就要十岁了,还是我今年十岁了的意思 是FIVE YEAR OLD还是FIVE YEARS OLD 1岁时,是 one years old 还是 one year old? 英语翻译还有,“他四岁”是说he is four years old还是he is four year old? 请问是six-year-old还是six years old还是six-years-old?(这个空签名有个a ) 25岁到底是twenty-fifth years old 还是 twenty-five years old 英语翻译She is 12 years old English girl 还是 She is 12 years old from England?或者. four years old 是时间点还是时间段 year olds还是years old? 是the old man has a five years old grandson还是the old man has a five-year-old grandson? 他20岁,是he's twenty year old还是he's twenty years old She is three years old than I.中是old还是older?为什么? 请问,“一岁”翻译成英语是one year old还是one years old? 英语口语中,“我21岁”是I am twenty first years old,还是twenty one years old? 英语翻译he must be--------- ------------thirty years old 英语这样的复合词怎么用?4-year old还是4-year- old?4 years old还是4 years' old为什么 20 minutes' ride而不是20 minutes ride?什么时候要加'S或者'?横线究竟是一条还是两条? 一岁是one year old还是one years old? 急!