机械类词汇大全-19

757 、 玻璃纤维席 glassfibremats 758 、 界面；分界面；接口 interface 759 、 相差 phasedifference 760 、 相对密度 relativedensity 761 、 砂布 emerycloth 762 、 砂磨 sandin

Supermassive Black Holes 超大质量黑洞 - 9

Four times a year, Ghez focuses the telescope on the stars of the very heart of our Milky Way. She is looking for the telltale high speeds that reveal the presence of a black hole. The center of the M

机械类词汇大全-43

1765 、 横纹刨 blockplane 1766 、 横梁 beam 1767 、 横锉法 crossfiling 1768 、 树心 pith 1769 、 树皮 bark 1770 、 树根 root 1771 、 树脂 resin 1772 、 树脂胶 resinglue 1773

情人节英文歌曲:Akon -- I Wanna Love You

Akon -- I Wanna Love You Convict, convict Music And you know we upfront I see you winding and grinding up on that floor I know you see me lookin' at you when you already know I wanna love you, you already know I wanna love you, you already know, girl

美国习惯用语:814 grind to a halt

华盛顿的天气最近特别热。只有这种时候，大家才能体会到空调的好处。如果没有空调，真不知道怎样才能工作。这倒让我想起了一个有趣的习惯用语。这就是我们今天要学的：grind to a halt。

美国语文第四册 第7期:海水为什么是咸的(4)

At length, a great foreign merchant came, and when he had seen the mill, inquired whether it would grind salt. 终于有一天，一位外国富商来到这里。当他看到磨粉机时，询问它是否能够用来出盐。 Being told that it would

舌尖上的中国第1季 第21期:主食的故事-黄馍馍(3)

Huang and his wife can make 700 buns every time. 老黄和老伴一次做700个黄馍馍。 Grinding up, kneading and fermentation, the whole process takes 3 days. 上碾，揉面，发酵，前后要花3天时间。 The couple works from 3 am throug

英语口语每天说041

41.Supposition 猜测 1.They'll be taking some exercise. 2.This house must be at least 1oo years old. 3.The bus must have gone . 4.He can't have remembered. 5.You must be joking. 6.Maybe he has too much money. 7.I guess he'll fail the exam. 8.They're

英语会话速成 Unit 39

Dialog 1 Where is a good place to eat around here? What kind of food are you hungry for? I'm in the mood for piza. There is a piza place on the corner of avenue quay, it's pretty good. Is it expensive? No, the prices are pretty reasonable. Dialog 2

机械专业英语词汇（很全）

金属切削 metal cutting 机床 machine tool 金属工艺学 technology of metals 刀具 cutter 电路 circuit 半导体元件 semiconductor element 反馈 feedback 发生器 generator 直流电源

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

美国常用口俚语Unit 12

[00:00.00]601.It's all over,why torture yourself. [00:02.19]一切都已过去，为什么还要折磨自己。 [00:04.39]602.Words move fast. [00:05.51]人言可畏。 [00:06.64]603.He is he,I am me. [00:08.22]他就是他，我就是我。 [00:09.8

英语听力：2013-10-11 地平线：黑洞吞噬—10

It's like trying to pick out an individual inside the middle of a busy city, with lights and cars, and things happening all around them. But that wasn't the only problem. Vast, swirling clouds of dust and gas prevent visible light from the centre of

英语听力：2013-10-09 地平线：黑洞吞噬—9

At last, astronomers had a map of our galaxy. A panorama of the Milky Way, it would never be possible to see from Planet Earth. 27,000 light-years from our solar system is the centre of our galaxy. If we were ever going to have a chance of seeing a b

英语听力：2013-11-13 地平线：黑洞吞噬—24

The X-ray image revealed how the black hole at the heart of the galaxy was firing unimaginable amounts of radiation into surrounding space and with extraordinary consequences. We could see what was going on at the centre and we could start to underst

英语听力：2013-11-08 地平线：黑洞吞噬—22

Was there any connection between the two? What Magorian discovered was completed unexpected. The relationship that we find was essentially that the bigger the galaxy, the bigger the black hole. That's in its broad terms. If you want to be a bit more

英语听力：2013-10-20 地平线：黑洞吞噬—14

Instead, it seems to be a gas cloud moving at huge speeds right in the direction of the black hole. But what really rang along bells was the way it had changed shape. We see that this gas cloud as it moves closer and closer to the black hole, is gett

英国学生科学读本 第36期:浑身是宝的绵羊(2)

In the front of its lower jaw there are eight sharp teeth for nipping. There are no teeth in its upper jaw opposite these, but there is a hard pad instead. At the back of its mouth the sheep has six teeth with flat tops on each side of each jaw. Thes

英国学生科学读本 第17期:兔子

Lesson17 THE RABBIT 第17课 兔子 I know a boy who has some tame rabbits. He keeps them in the yard behind his house, in a box called a rabbit-hutch. His rabbits are black and white, but wild rabbits are grey or brown. 我认识一个男孩子, 他家

英文乡村歌曲：Barnaby Bright - Finally said it

Finally said it Said it all to me Taking time to think you told me everything In your way Come and get it Take it all from me I don't really need These letters I can't read It's a shame And you hide, I see One more thing you want to say to me To me W