正文

VOA慢速英语:Sleep Helps Us Learn

2017-06-27来源:VOA

Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin.

词汇讲解：

1.remember vt.记得; 牢记
例句：You wouldn't remember me. I was in another group
你不会记得我。我那时在另外一组。

2.improve vt.提高（土地、地产）的价值; 利用（机会）
例句：Both the texture and condition of your hair should improve
你头发的发质与健康状况都应改善。

3.refresh vt.使恢复，使振作; 使焕然一新
例句：The lotion cools and refreshes the skin
这种润肤液凉爽清新，能够焕发肌肤的活力。

4.reasonable adj.合理的，公道的; 明白道理的
例句：He's a reasonable sort of chap
他是个理智的家伙。

5.strengthen vt.加强，巩固; 勉励
例句：You cannot strengthen the weak by weakening the strong.
削弱强者不能使弱者变得强壮。