土壤侵蚀人工降雨模拟

Bosnian Nature Reserve Threatened by Hydroelectricity Project 水电项目威胁波斯尼亚自然保护区 WASHINGTON, D.C. A small corner of paradise, called Hutovo Blato, is located in the southern part of Bosnia-Herzegovina. With its abundant veg

发表于:2018-12-08 / 阅读(35) / 评论(0) 分类 VOA常速英语2013年(十月)

[00:00.00]Unit7 Future living [00:05.49]A The children are at Dr Jeckel's lab. [00:12.33]Listen,look and act. [00:16.69]Hi,Dr Jeckel.What's new in your lab? [00:22.26]Hello,Pat.Hello,Koko.There's a radio. [00:29.62]There's a sofa.There are DVDs and D

发表于:2018-12-13 / 阅读(61) / 评论(0) 分类 新路径小学英语三年级上册(一起)

奇/偶数 -- 将童心进行到底 大家都知道英语中奇数叫odd number,偶数叫even number。那你有没有疑惑过,为什么这么叫呢?呵呵,明天六一,我们将童心进行到底,探寻even/odd为什么叫奇/偶数。

发表于:2019-01-14 / 阅读(58) / 评论(0) 分类 实用英语

TURIN, Sept. 27 (Xinhua) -- China's campaign of the World Championship(世界锦标赛) was brought to a premature(早产的) end after they lost to France in straight sets on Monday. China, who have aimed a second-phase slot of the tournamen

发表于:2019-02-02 / 阅读(39) / 评论(0) 分类 英语新闻

BEIJING, Oct. 6 (Xinhua) -- Former champion Maria Kirilenko looked to be at about her peak of her hardcourt game at the prestigious China Open, making it to the quarterfinals after beating Tamira Paszek of Austria in straight sets on Thursday. The 20

发表于:2019-02-07 / 阅读(53) / 评论(0) 分类 英语新闻

1.there is not a great deal of difference between...and... ...和...并没有很大区别 2. the graphs show a threefold increase in the number of ...图表表明...的数字呈现三倍增长 3....decreased year by year while...increased steadily. .

发表于:2019-02-14 / 阅读(99) / 评论(0) 分类 雅思英语