My younger cousin can hold something at six months old.
我表弟在六个月的时候就能抓住东西。
They begin to look for food on their own when they are about six months old.
它们大约六个月大的时候就开始自己寻找食物。
Eye doctors recommend that a child's first eye exam be at the age of six months old.
眼科医生建议孩子应在六个月大时进行第一次眼部检查。
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