VOA慢速英语:Scientists Look for Answers as More US Girls Enter Puberty at Earlier Age

1.ridiculous adj.可笑的, 荒谬的,愚蠢的,荒唐的
 
例句：It's the most ridiculous thing I've ever heard in my life.
      这是我有生以来听到的最为荒唐可笑的事。

2.puberty n.青春期

例句：He reached puberty at the age of fourteen.
      他14 岁时进入了青春期。
 
3.approximately ad.大约,大致,近乎

例句：The journey took approximately seven hours.
      这次旅行用了大约七个小时。

4.overweight adj.超重的

例句：Your suitcase is five kilograms overweight.
      你的衣箱超重五公斤。

5.mimic vt.模仿（人的言行举止）；（尤指）做滑稽模仿；（外表或行为举止）像,似

6.somehow adv.以某种方式, 用某种方法

例句：We must get the work finished somehow by tomorrow morning.
      我们必须设法在明天早上以前把工作做完。

7.maturation n.化脓,成熟

例句：This storage period is the flour ‘maturation time'.
      这段贮藏时间是面粉的成熟期。