单词：cage layer fatique
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I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
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Module 3 [00:18.18]Things around us [00:19.70]Unit 1 [00:21.11]Colours and places [00:23.33]Look and read [00:26.33]The leaves are green in spring. [00:31.79]They are brown and yellow in autumn. [00:41.33]The sun is yellow in the afternoon. [00:50.21
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There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th
英语课程学习计划和讲义
I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea
纯正英语一分钟
Luke Cage, Marvel's Reluctant Hero In A Hoodie play pause stop mute unmute max volume 00:0005:41repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. KELLY MCE
2016年NPR美国国家公共电台10月
Find out the intentions Behind eyes temptations Who gets the keys to the stars? You try all the reasons To find all solutions But you cannot seem to describe How cold is it inside your heart? Inside your heart An empty field to remind Like Jesus you
英文摇滚歌曲