单词:electric heat tracing
单词:electric heat tracing 相关文章
Belly up, the fish is back lit and easier for him to see. Get it, get it, get it... Over there, go get it, go go... Oh, he missed it. It's very behind you. We can get it. Little Samu is just starting to use his sonar, but perfecting it will take some
Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod
AA: Im Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- a tribute to Allen Walker Read, who died this month at the age of 96. Mr. Read devoted his life to a kind of linguistic detective work on the origins of American speech. RS: As a
Conversation 3 A: Are you being waited on, madam? A:有人接待您吗,夫人? B: No. Would you help me, please? B:没有。帮我个忙,行吗? A: Sure. A: 行。 B:Well, I am looking for a electric rice cooker. Do you have any in your
Tracing Ones Genealogy Aaron: Do you think you can help me trace my genealogy? Corrie: Sure, I can try. We can get started by talking to your parents and grandparents. Oral interviews will give us some names of your relatives. Aaron: Ive already talk
Can we help the environment by being green? We all know that humans are damaging the environment, but what can we do about it? Some people are trying to do their bit to try to be more environmentally friendly . Local councils in Britain encourage ce
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Ever been woken up by the sound of the refrigerator compressor kicking on? Well, such clumsy heat exchange units featuring long metal coils may be on their way out. Becaus
When a hurricane heads toward the US coastline, all eyes turn to the National Hurricane Center in Miami. Its the official source for information on how powerful a hurricane is, where its heading and when it will hit. Emergency planners depend on the
Black History Illuminated by Tracing Lives of Former Slaves Arlington National Cemetery is just outside Washington, D.C. Before it became America's most prestigious military cemetery, it was a thriving community of slaves and then former slaves. Here
今天我们要学的词是heat。 大家都知道heat是高温的意思,那么不难想象,引伸一下,heat也可以理解为压力。还有两个多星期,美国2008年总统大选的初选就要拉开帷幕了。 Democratic leading candid
Small ears also help to minimize heat loss, the opposite effect of those huge heat-dispersing ears of their relatives, African elephants. Other Beringia animals have more than a fur coat to help them cope with cold. This skull belongs to the bizarre-
Broadcast on Coast to Coast: October 24, 2002 Re-broadcast on VOA News Now: October 27, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- a tribute to Allen Walker Read, who died this month at the age of 96. Mr. Read devot
今天我们要学的词是heat。 大家都知道heat是高温的意思,那么不难想象,引伸一下,heat也可以理解为压力。还有两个多星期,美国2008年总统大选的初选就要拉开帷幕了。Democratic leading candida
Solar power 太阳能 The third way 第三种方法 A new method of making electricity from sunlight has just been tested 一种从太阳光得到能源的新方法正在尝试 AT THE moment, there are two reliable ways to make electricity from sunli
The more you know about the various heating systems that are available on the market today, the better able you will be to choose the best one for your home. Obviously, your main goal (besides being comfortable), is to have a heating and air conditio
今天我们要学的词是heat up。 To heat up, 意思是越来越激烈。 The debate over immigration reform is heating up on the Hill, 国会关于移民改革的辩论日益激烈。 The World Cup is heating up as more teams are getting knocked
Artist James E. Taylor produced this sketch of the Freedmen's Bureau office in Richmond, Virginia, issuing food rations to old and sick former slaves in 1866 Some Americans can trace their heritage back to what we sometimes call the old country from
今天我们要学的词是take some heat。 To take some heat, 受到批评。 The candidate is taking some heat for his stance on illegal immigrants, 候选人因为在非法移民问题上的立场而受到批评。华盛顿红人队教练沙纳汉因
我们今天要讲的习惯用语有一个共同的词: stand。我们要学的第一个习惯用语是: stand-out。这儿在stand和out之间有一个连词符号。 Stand-out当名词用。它和形容词outstanding意义相关连。不少人知道
These days kids have styrofoam to keep soup hot. But back in the day, there were thermoses. One of their drawbacks was that since their insides were made of glass they were pretty easily broken when dropped. The popping sound they made when they brok