be about the same age的意思|示意

After age 20, your metabolism slows down by about 10 percent every decade, which could be a reason why you gain weight when you eat the same amount of food you did when you were younger.

在20岁后，你的新陈代谢能力会每10年减缓10%，这可能是为什么当你吃跟以往相同份量的食物时，你会增加体重的原因。

They have to be able to recognize both positive and negative feelings about an event at the same time—an ability some children develop as early as age 7, Dr.

他们能同时认识到事物的正反两面-这是一些孩子早在7岁时就能开发的能力。