单词:globular clusters
单词:globular clusters 相关文章
Exercise 2-5: Consonant /Consonant Liaisons CD 2 Track 40 Say the sound of each group of lett ers out loud (the sound of the letter, not the name: [b] is [buh] not[bee]). There are three general locations the lips, behind the teeth, or in the throat.
Chapter 13. Throaty Consonants There are five consonant sounds that are produced in the throat: [h] [k] [g] [ng] [er]. Because Rcan be considered a consonant, its sound is included here. For pronunciation purposes, however,elsewhere this book treats
Part One Initial consonants and consonant clusters English words begin with no, one, two, or three consonants. A. Listen and repeat. Read across the chart. The first word has no initial consonant. No
新东方4+1听力口语MP3-语音语调 Unit58 Part One Initial consonants and consonant clusters English words begin with no, one, two, or three consonants. A. Listen and repeat. Read across the chart. The first word has no initial consonant. No Initial Cons
新东方4+1听力 口语 MP3-语音语调 Unit57 Part One Initial consonants and consonant clusters English words begin with no, one, two, or three consonants. A. Listen and repeat. Read across the chart. The first word has no initial consonant. No I
This is Scientific Americana 60 Seconds Science, I'm Christopher Intagliata, got a minute.The Sahara desert isn't known for its greenery, but there's evidence it was once much lusher than today, dotted with waterfall and lakes, now a study suggests t
Part One Initial consonants and consonant clusters English words begin with no, one, two, or three consonants. A. Listen and repeat. Read across the chart. The first word has no initial consonant. No
Thank you for coming tonight, Darwin. This room is secure, so we can speak freely. 达尔文,谢谢你今晚过来。这个房间很安全的,有什么话直说无妨。 Why the secrecy? 干嘛这么神神秘祕的? Because the Feds are coming
From Sunday, smoking is banned in Beijing's taxis. The Green Taxi campaign is part of the city's efforts to ensure a smoke-free Olympic Games next year. No smoking signs will be put up in all of Beijing's 66,000 taxis. Drivers who are caught smoki
Exercise 5-12: Thirty Little Turtles In a Bottle of Bottled Water CD 3 Track 37 Repeat the following paragraph, focusing on the consonant +əl combinations. Thrdee Liddəl Terdəl ZinəBddələBddəl Dwder A bottle of bottled water held 30 little tur
Exercise 8-2: Lax Vowels CD 4 Track 16 The lax vowels are produced in the throat and are actually quite similar to each other. Let's practicesome lax vowels. See also Chapter 11 to contrastwith tense vowels. Remember to double the vowelwhen the word
Why are gas stations always built right next to other gas stations? 为什么加油站总是建在其他加油站旁边? Why is that I drive for a mile without finding a coffee shop and then stumble across three on the same corner? 为什么我们有
Here is an image. 这是一张照片。 Since galaxy clusters are representative slices of the universe, scaled-down versions. 因为星团可以看做是宇宙的缩小版。 They are mostly made up of dark matter, 它们也是大部分由暗物质构
Here are some images of clusters of galaxies. 这是一些星团的照片。 They're exactly what they sound like. 正如听上去一样。 They are these huge collections of galaxies, 它们是一堆星系, bound together by their mutual gravity. 由
We are traveling upwards away from our solar system, out of the spiral arms of the Milky Way. In front of us, lie vast clusters of stars, satellite groups that orbit the heart of our galaxy. These are globular clusters, over 150 have been discovered.
Measuring the brightnesses and colors of the stars in the globular cluster, we can figure out how old they are. Here is the remarkable thing: they are very old. Globular clusters, at least the stars in the globular clusters, in many cases, are almost
One of the puzzles about our galaxy is that we know that it's had stars forming continuously for about the last ten billion years. But at the rate/ it's eating up its gas now, it's forming new stars, it should burn out that gas soon, should run out o
But if you look carefully, stars aren't spread smoothly across the whole sky. They are gathered together into a band that loops around the sky which we call the Milky Way. That bright strip across the sky with its extraordinary abundance of stars and
Topics: Famous Americans: T.S. Eliot; log and log in/log on; explanation versus interpretation; pronouncing consonant clusters Words: distinguished disillusionment New England to break from pedantic vulgar erudite to breed essay critic a product of (
The genetic history of Britain 英国的基因史 Who do you think you are? 你认为自己是谁? An analysis of Britons' genes confirms some myths and explodes others 对英国人基因的一项分析论证了神话中的虚与实 THE waves of in