7岁英文单词怎么写

My son is seven years old this year.

7岁英文缩写是7th。1到10分别是1st，2nd，3rd，4th，5th，6th，7th，8th，9th，10th。拓展资料：英文单词缩写一般以辅音结尾，而不以元音结尾。如American省略为Am，而不省略为Ame或Amer，Medicine或Medical缩写为Med，European缩写为eur等。但Science例外，缩写为Sci，可能是因为元音之后又是元音E的缘故。缩写刊名每个词首字母必须大写，而不可全部都用大写或小写。

I am 7 years old

I'm turning 7 this year.

one year oldtwo years oldthree years oldfour years oldfive years oldsix years oldseven years oldeight years oldnine years oldten years oldeleven years oldtwelve years old

我儿子今年7岁My son is seven years old this year我儿子今年7岁My son is seven years old this year