池底腐植层

听一分钟英文：Ozone Layer-臭氧层

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

发表于:2018-12-04 / 阅读(74) / 评论(0)

听一分钟英文-O

走遍美国 A Big Fish in a Little Pond 小池塘里的大鱼 ACT III

ACT III I love my school. I have so many good friends there now. 我喜欢我的学校。我现在有那么多好朋友在那儿。 I wouldn't miss a day even if I were really sick. 即使我真的病了

发表于:2018-12-20 / 阅读(89) / 评论(0)

走遍美国 Family Album U.S.A

英语课程计划-the Preservation of the Ozone Layer

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

发表于:2018-12-29 / 阅读(103) / 评论(0)

英语课程学习计划和讲义

2005年NPR美国国家公共电台三月-British TV Crosses over the Pond

NBC tonight launches a new series-The Office. It's the American version of a British comedy series. The original has a small but dedicated group of fans in the United States. Remaking British series for American audiences is not new, but as NPR's Kim

发表于:2019-01-08 / 阅读(204) / 评论(0)

2005年NPR美国国家公共电台

纯正英语一分钟-ozone layer

发表于:2019-01-21 / 阅读(66) / 评论(0)

纯正英语一分钟

加州英语分级G2 The Last Pond 01

图片1 图片2 图片3

发表于:2019-03-02 / 阅读(80) / 评论(0)

加州英语分级G2

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学英语单词

absolutely-convex closed neighborhood

average atmospheric condition