[机] 滚圆直径

美国学生世界地理教材第15期:世界的内部(3)

So we know that the distance must be about eight thousand miles, as twenty-five is a little more than three times eight. 那么我们就知道从世界一面到另一面的距离肯定是大约8000英里，因为25是8的三倍多一点。 That is no

发表于:2018-12-04 / 阅读(473) / 评论(0)

美国学生世界地理教材

有声英文阅读-月球

The Moon 月球 We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation

发表于:2018-12-05 / 阅读(342) / 评论(0)

有声英文阅读

双语有声阅读:The Moon 月球

The Moon We find that the moon is about 239,000 miles (384,551 km) away from the earth, and, to within a few thousand miles, its distance always remains the same. Yet a very little observation shows that the moon is not standing till. Its distance fr

发表于:2018-12-07 / 阅读(346) / 评论(0)

双语有声阅读

与美国小学生一起学英文第5册第26期:25分硬币

Quarter 25分硬币 A quarter is an American or Canadian coin. quarter是指美国或加拿大的一种硬币。 How much is a quarter? 这种硬币值多少钱呢？ A quarter is equal to 25 cents. 它等价于25分。 It is worth one fourth of a do

发表于:2018-12-13 / 阅读(349) / 评论(0)

与美国小学生一起学英文第5册

英语PK台第723期:词根词缀背单词(11)

一个英语单词可分为三部分：前缀（prefix）词根（root）后缀（suffix）。位于词根前面的部分就是前缀。前缀，可以改变单词的意思。 di- 表示使分开，离开 distinguish = di + sting（刺）+ uish 将刺挑

发表于:2018-12-19 / 阅读(342) / 评论(0)

英语PK台

【一起听英语】爬树（2）

围绕树木展开的话题.... Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme, Im joined by Kate. OK Kate, well last week we were talking about tree climbing,

发表于:2018-12-27 / 阅读(365) / 评论(0)

一起听英语

【突破英文词汇】circum -- round 周围

1. circumference /səˈkʌmfərəns/ -- distance around a circle or rounded body; perimeter The circumference of a circle equals times the diameter. 圆周长等于与直径的乘积。 2. circumlocution /ˌsɜ:kəmləʊˈkju:ʃən/ -- roundabout way

发表于:2018-12-30 / 阅读(425) / 评论(0)

突破英文词汇

CNN 2010-10-12

Hi, I'm Carl Azuz. Welcome to this Columbus Day edition of CNN Student News! We'll be talking more about Columbus Day in just a couple minutes. But first, we're reporting on a breakthrough in Chile. And we mean that literally. A hole big enough to re

发表于:2019-01-08 / 阅读(398) / 评论(0)

CNN2010年(十)月

HEALTH REPORT - Breast Cancer Operation Studies

HEALTH REPORT -October 30, 2002: Breast Cancer Operation Studies By Nancy Steinbach This is the VOA Special English Health Report. Two new long-term studies have compared two operations for early brea

发表于:2019-01-09 / 阅读(405) / 评论(0)

健康与环境

与美国小学生一起学英文第9册第25期:直径

Diameter 直径 A diameter is a straight line inside a circle. 直径是圆内的直线。 Can any straight line in a circle be a diameter? 圆内的任何直线都是直径吗？ No, its two ends must meet at two different points on the circle. 不是

发表于:2019-01-10 / 阅读(402) / 评论(0)

与美国小学生一起学英文第9册

与美国小学生一起学英文第5册第1期:沙子

Sand 沙子 If you look around you, you can find sand very easily. 你若环顾四周，就很容易发现沙子。 Sand comes from rocks. 沙子源自岩石。 Each grain of sand is less than 2 millimeters in diameter. 每粒沙子的直径小于两毫

发表于:2019-01-10 / 阅读(398) / 评论(0)

与美国小学生一起学英文第5册

职业技术英语口语第24期:工具和设备在库房

In the storeroom 在库房 A:Where can I find a spare hose for the pump? A:我在哪里可以找到一跟备用的机泵软管？ B:What size do you need? B:你需要什么型号的？ A: 25 mm diameter. A:直径25毫米的。 B:They're at the back o

发表于:2019-01-14 / 阅读(329) / 评论(0)

职业技术英语口语

购物英语对话-Buying a Pan(1)

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A: Oh, yes. I like that one. But it's too heavy. B: Okay, try this one. It's made of aluminum. A: O

发表于:2019-01-20 / 阅读(435) / 评论(0)

购物英语对话

【购物】买平底锅-Buying a Pan

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A:I like that one, but it's too heavy. B: Okay, try this one. It's made of aluminum. A: This is muc

发表于:2019-01-21 / 阅读(414) / 评论(0)

购物-Shopping

Tree climbing: Part 2

Tree climbing: Part 2 NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today, for the second part of our tree climbing programme（节目,计划）, Im joined by Kate.

发表于:2019-02-05 / 阅读(409) / 评论(0)

六分钟英语

学个词Learn a Word 第395期 High-rolling

今天我们要学的词是high-rolling。 High-rolling, 是指生活奢侈、舍得花钱。那么，high-roller, 当然就是舍得花钱的人了。如果是赌博，那就是下大赌注的豪客。The Las Vegas casino industry has long rolled ou

发表于:2019-02-07 / 阅读(384) / 评论(0)

英语单词荟萃

听歌学英语:Rolling In The Deep-来自灵魂深处的呐喊

听歌学英语:Rolling In The Deep,来自灵魂深处的呐喊欢迎来到听歌学英语栏目，。今天要推荐的歌手大家一定不会陌生，这位2012年格莱美的大热歌手-Adele，全名阿黛尔?劳丽?布鲁?亚金斯（Adele La

发表于:2019-02-08 / 阅读(425) / 评论(0)

听歌学英语

新西兰英语 508 Bad weather in Tauranga again

Bad weather meant that oil could not be pumped out of the ship the Rena today. The waves were too high. Pumping the oil is slow work because the oil is cold and thick. The pipe from the Rena to the oil barge is nearly 200m long and quite narrow, 7.5c

发表于:2019-02-17 / 阅读(357) / 评论(0)

新西兰英语

天籁音乐:Rolling In The Deep

Rolling In The Deep 1988年5月出生的Adele，有着与年龄不相符的沙哑醇厚的好嗓音，散发着初春时节的乍暖还寒，典型的爵士和蓝调韵味。2010年新专辑的首单Rolling In The Deep中，Adele的唱腔更加冷峻，

发表于:2019-02-20 / 阅读(361) / 评论(0)

天籁音乐

万物简史第351期:孤独的行星(16)

Apart from much else, our lively interior created the outgassing that helped to build an atmosphere 不说别的，我们活跃的内部使大量气体喷涌而出，帮助建立了大气层， and provided us with the magnetic field that shields us

发表于:2019-02-25 / 阅读(313) / 评论(0)

万物简史

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achomawis

adsorption elution test