大孔径钻孔

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(141) / 评论(0)

有声英文阅读

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(116) / 评论(0)

与美国小学生一起学英文第5册

【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(114) / 评论(0)

一起听英语

赖世雄英语新闻听力通第88期:美国年均八百个龙卷风

An average of 800 tornados occur every year in the USA. 美国每年平均有八百个龙卷风。 They can generate wind speeds faster than 250 mph. 龙卷风的风速可以超过时速二百五十英里。 At times, they devastate whole communities

发表于:2018-12-28 / 阅读(118) / 评论(0)

赖世雄英语新闻听力通

Supermassive Black Holes 超大质量黑洞 - 13

Silk realized that the energy from this newly formed quasar would create intense temperature changes in the surrounding gas. This would cause the gas around the black hole and its newly formed quasar

发表于:2019-01-02 / 阅读(394) / 评论(0)

超大质量黑洞

VOA慢速英语2018 科研人员：银河系中心存在许多黑洞

Researchers: Many Black Holes in Center of Milky Way Galaxy Astronomers say the center of our galaxy has plenty of strange, super gravity objects. For years, scientists believed that circling the center of galaxies, including our own Milky Way galaxy

发表于:2019-01-03 / 阅读(107) / 评论(0)

2018年VOA慢速英语(四)月

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(133) / 评论(0)

CNN2010年(十)月

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(136) / 评论(0)

与美国小学生一起学英文第5册

高考英语作文高分必备实践篇 039

How to repart a plaint When the plant grows too large for its original part. It needs to be reparted. This can be done quickly and easily if you follow this instructions. First, you should cut off the bottom of the part with small stones. Then put tw

发表于:2019-01-10 / 阅读(315) / 评论(0)

高考英语作文高分必备

VOA标准英语2012--Russians Reach Ancient Antarctic Lake

Russians Reach Ancient Antarctic Lake Evidence of a giant lake beneath the Antarctic ice has been gathering since the 1970s. Suspicions were first aroused after a team of Russians drilled deep into the ice to get a climate-record core sample. Accordi

发表于:2019-01-14 / 阅读(137) / 评论(0)

VOA标准英语2012年(二月)

辛沛沛NO-BOOK 辛沛沛口语提高版上册 Lesson 46 Bore

Lesson 46 Bore 1.It's way boring. 2.It's way too boring. 3.You bored me to death. 4.Stop being a bore! 5.I grew bored with detective stories. 6.I'm bored by your empty talk. 7.I never expected such a bore as she!

发表于:2019-01-14 / 阅读(153) / 评论(0)

辛沛沛NO-BOOK 辛沛沛口语提高版

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(135) / 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(175) / 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(155) / 评论(0)

购物-Shopping

英语听力：2013-10-04 地平线：黑洞吞噬—7

It suggested a baffling paradox that quasars are really shining black holes, capable of emitting the energy of entire galaxies. But Lynden-Bell then went further. I predicted that there would be these massive objects found in the nearby galaxies. He

发表于:2019-01-23 / 阅读(113) / 评论(0)

探索与发现2013年

1st Chronicles 历代志上02

2These were the sons of Israel: Reuben, Simeon, Levi, Judah, Issachar, Zebulun, 2Dan, Joseph, Benjamin, Naphtali, Gad and Asher. 3The sons of Judah: Er, Onan and Shelah. These three were born to him by a Canaanite woman, the daughter of Shua. Er, Ju

发表于:2019-01-26 / 阅读(274) / 评论(0)

历代志

小狐外传第36期:月亮老师

Come on, Fox, said the others. 来吧，小狐其他人说。 It's fun! said Junior. 很好玩的！朱尼尔说。 It's wild! said Carmen. 很刺激的！卡门说。 Fox is scared! said Dexter. 小狐害怕了！德克斯特说。 You're not afraid

发表于:2019-01-29 / 阅读(112) / 评论(0)

小狐外传

Alligators Success Story

51 美国鳄鱼的成功生存报道 DATE=5-30-01 TITLE=EXPLORATIONS #1954 - Alligators Success Story BYLINE=Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley Griffith with

发表于:2019-01-30 / 阅读(201) / 评论(0)

科技之光

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(152) / 评论(0)

六分钟英语

留美老师带你每日说英文第419期:和硬币一样直径的黑洞

台湾籍旅美老师今天交给我们的句子是： In fact, a black hole with the diameter of a nickel would be slightly more massive than the Earth. It would have a surface gravity a billion billion times greater than our planet currently does. 事

发表于:2019-03-05 / 阅读(158) / 评论(0)

留美老师带你每日说英文

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biochemistry of smooth muscle