问题描述：
英语翻译
teenagers have a new shape these days.they are about 20 pounds heavier than they were 60 years ago.they are about four inches taller,too.these facts come from J.M Tanner,professor in England.
翻译全文
they are about four inches taller,too.
teenagers have a new shape these days.they are about 20 pounds heavier than they were 60 years ago.they are about four inches taller,too.these facts come from J.M Tanner,professor in England.
翻译全文
they are about four inches taller,too.
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