单词:parts per billion
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[ti:UNIT 2 Plant a Plant! Lesson 10: Plant Parts] [0:00.363]UNIT 2 第二单元 [0:02.105]Plant a Plant! 培育植物 [0:03.775]Lesson 10: 第10课: [0:05.444]Plant Parts 植物的组成部分 [0:07.100]THINK ABOUT IT! 想一想 [0:08.539]How many
Unit 5 Can you come to my party? [00:05.59]SECTION A [00:10.24]1b Listen.Write the names(Tim,Ted,Kay,Antonia and Wilson) [00:20.01]next to the correct students in the picture above. [01:10.37]2a Lisen.Circlecan orcan't [02:04.24]2b Listen again.Numbe
[00:04.78]Lesson 29 1 Dialogue [00:11.15]Jill and Bob are at Li Jia's house for dinner. [00:16.80]Li Jia:Would you like another piece of beancurd? [00:20.95]Yes,please.It's delicious.Did you cook it youself? [00:26.59]Yes,of course.It's very easy.I'l
First Flight Completed of Plane with No Moving Parts Engineers say they have carried out the first-ever flight of an electric airplane with no moving parts. Researchers at the Massachusetts Institute of Technology, or MIT, recently shared video of th
There are five kinds of . . . There are two types of . . . There are three categories of . . . We can divide (this) into three parts: 1) 2) 3) This can be broken down into four sections. They are: A) B) C) D)
Local governments in many parts of eastern China are taking steps to try to conserve energy in the midst of the heat wave which has seen temperatures in many parts of the region top 40-degrees. CRI's Shen Chengcheng with more. Heat alerts have been i
A volcano in Iceland had been dormant for more than 180 years. But then a few weeks ago, this started. The volcano is erupting, and some scientists say it could last for more than a year. That's about how long it went the last time this happened,th
[00:00.00]4 And what do you do,David? [00:05.25]I'm a dolphin trainer. [00:07.16]Really? [00:08.50]Yes.I work at a zoo. [00:11.26]You know,in the dolphin show. [00:13.77]And how long have you been a dolphin trainer? [00:17.76]Oh,not very long. [00:20
And by the time you all reach your billionth second here on earth when you're a little over six months into your 31st year 你们也会等到十亿位变动的那一刻到时你们大约是31岁半过一点 We will probably be over 9 billion and perh
By Al Pessin Washington 02 August 2007 Investigators from the U.S. Congress say earlier this year the Defense Department sold nearly 1,400 collections of surplus parts that can be used in aging fighter jets now only flown by Iran, in spite of a ban o
[00:02.63]Amazing, isn't it? [00:04.38]Makes a normal computer look simple, [00:06.15]doesn't it? [00:07.98]So, what do we know about this organ [00:09.99]called the brain? [00:11.66]Scientists who study the brain [00:13.18]and the nervous system hav
Iceland's prime minister says his country needs about $6 billion in loans to recover from the global financial crisis, as Reykjavik's central bank hikes its interest rates by a massive six percentage points. For VOA, Tom Rivers reports from London.
Smoke from forest fires, largely in Indonesia, has shrouded parts of Southeast Asia in thick haze. It is a seasonal problem in the region that will not go away. Putrajaya's landmark Putra Mosque (l) and Prime Minister's building seen covered by haze
Severe Weather Conditions Hit Parts of Europe, US, Asia 美国、欧洲、亚洲部分地区遭遇恶劣天气 WASHINGTON Severe winter weather is affecting the lives of people in many parts of the world. Stormy weather battered Britain's western coa
Tools Are Body Parts to Brain In a report in the journal Current Biology, researchers claim that the brain interprets a tool, such as a hammer, as a temporary extension of your physical body. Karen Hopkin reports [The following is an exact transcrip
By Al Pessin Pentagon 04 February 2008 President Bush's budget for next year, sent to the Congress for debate on Monday, includes more than half a trillion dollars in basic defense spending, and another $70 billion to fund the wars in Iraq and Afghan
A young man was walking through a super market to pick upa few things when he noticed an old lady following him. Pardon me, she said. I'm sorry if my staring at youhas made you feel uncomfortable. It's just that you lookjust like my son, who died rec
Haikui causes over 3 billion yuan economic loss in Anhui HEFEI, Aug. 11 (Xinhua) -- East China's Anhui Province has recorded an economic loss of 3.28 billion yuan (515.69 million U.S.dollars) since severe tropical storm Haikui entered the province on
The largest U.S. bank, JPMorgan Chase, says it lost $5.8 billion in bad trades this year, nearly triple its original estimate. The Wall Street investment bank said two months ago it estimated that losses originating in its London trading office would