at the age of是什么意思？

He died in a nursing home at the age of 87.他在一家养老院去世，享年87岁。He started piano lessons at the age of 7.他7岁开始上钢琴课。He'd dropped out of high school at the age of 16.他16岁的时候就从中学退学了。...

at the age of的音标：at the age of的英式发音音标为：[æt ðə eidʒ ɔv]at the age of的美式发音音标为：[æt ði edʒ ʌv]...