液氧温度

First, let's start by busting one myth about yawning. A lot of people have the misconception that we yawn because our brains need more oxygen. However, several studies have shown that no matter how little oxygen is around a person, they won't yawn mo

发表于:2018-12-03 / 阅读(44) / 评论(0) 分类 轻松英文阅读

By Gary Garriott Broadcast: July 22, 2003 This is Robert Covent with the VOA Special English Agriculture Report. Many farmers around the world are 1)composting to improve their soil so they can produc

发表于:2018-12-07 / 阅读(47) / 评论(0) 分类 VOA2003(下)-农业与经济

Gas 气体 There are three different kinds of matter. They are solids, liquids and gases. 物质分三种:固体、液体和气体。 Gas has no shape, so you can't touch gas. 气体本无形,所以你触摸不到。 Gas moves very freely. 气体能

发表于:2019-01-10 / 阅读(45) / 评论(0) 分类 与美国小学生一起学英文第5册

Mars 火星 Mars is a planet. 火星是行星。 It is next to the Earth. 它紧邻地球。 Its size is about one fourth of the Earth. 它约有四分之一个地球大。 Mars is not far from the Earth, but the environment is very different. 火星离

发表于:2019-01-10 / 阅读(36) / 评论(0) 分类 与美国小学生一起学英文第5册

The ice bucket challenge may seem cool if you live in a place which is usually quite hot, but for those who dwell in a cold climate the idea is probably less impressive. 冰桶挑战看起来相当酷,但前提是你处在热带地区。而对于那些

发表于:2019-01-16 / 阅读(44) / 评论(0) 分类 英语新闻

Hot Drinks Linked to Cancer 热饮料或与癌症相关 From VOA Learning English, this is the Health Lifestyle report. VOA英语学习健康及生活方式报道。 The next time you make yourself a hot cup of tea or coffee, you might want to let it

发表于:2019-02-12 / 阅读(89) / 评论(0) 分类 2016年VOA慢速英语(十)月