old three old four 老三老四
Three Years Old 三岁 ; 三岁大
Three-year-old child 三岁的孩子
three months old 三个月大
a three-month-old baby 一个三个月的婴儿
I am three years old 我今年三岁 ; 我三岁 ; 我今年三岁了
这婴儿三个月大了。
When I was eight years old, my sister was three years old.
我八岁的时候,我妹妹三岁。
Children don't complete their set of 20 baby teeth until they are two to three years old.
孩子到两三岁时才长齐20颗乳牙。
He was fifty-three years old. J.Robert Oppenheimer and Enrico Fermi were two of the greatest scientists of the century.
VOA: special.2009.06.14
When Mike was a kid of about three years old, he was playing at his parents' garage.
迈克大约三岁的时候,一天他在父母的车库里玩耍。
And then you remember that you moved when you were about three years old.
这时你记起大概三岁的时候,你们搬过一次家。
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