单词：echo-sounding apparatus
单词：echo-sounding apparatus 相关文章
Lesson 7 Bats 蝙蝠 First listen and then answer the following question. 听录音，然后回答以下问题。 In what way does echo-location in bats play an utilitarian role? Not all sounds made by animals serve as language, and we have only to tu
新概念英语第四册
第二课的单词 Apparatus n.仪器 同:equipment The town has recently purchased some new fire-fighting apparatus. Assert v.断言 同:insist The witness asserted that the salesman was dishonest. Assign v.分派 同:allot He was pleased that he was
刘毅词汇 5000
It's easy to appreciate the power of the sun 在这样炎热的夏日，站在德州湾海边 on a nice hot summer's day like here on the Texas Gulf Coast. 不难体会太阳的威力 And you can feel the power of the sun on your skin, 皮肤能清楚感
2006年慢速英语（五）月
Lesson 9 Curiosities of Animal Life 动物生活趣闻 Not all sounds made by animals serve as language, and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian r
新概念英语85年上外美音版
It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar
Scientific American(十一)月
[00:04.22]Ill tell her. 我会和她说的 [00:07.30]When I see them all running like that 每次我看他们这样穿着短裤跑步 [00:11.66]I always picture them naked even if I dont want to. 一幅全裸的画面浮现在我脑子里 [00:12.26]w
听电影学英语-朱诺
洪都拉斯新总统宣誓就职 TEGUCIGALPA, Jan. 27 (Xinhua) -- Juan Orlando Hernandez, of Honduras' conservative National Party (PN), was sworn in Monday as the country's president amid tight security at a ceremony in the capital Tegucigalpa. At
英语新闻
Robot Security Could Help Cut Crime 机器人保安有助于降低犯罪率 Shopping centers, stadiums and universities may soon have a new tool to help fight crime. A California company called Knightscope says its robots can predict and prevent crim
2015年VOA慢速英语(六)月
By Larry London Washington, D.C. 16 February 2007 watch RJA report Their name means nothing at all, but is instantly memorable. Their sound mixes heavy metal guitar with danceable beats of pop punk, and is instantly recognizable. Florida rockers Red
2007年VOA标准英语（二月）
HARI SREENIVASAN, PBS NEWSHOUR WEEKEND ANCHOR: For some perspective on the immigration raids, I'm joined from Miami by USA Today immigration reporter Alan Gomez. The immigration community calls them raids. ICE wants to call them planned enforcements.
PBS访谈社会系列
The selfie stick didn't always look like this. The original patent was filed all the way back in 1984, before cell phones were ubiquitous. Before the word selfie was even coined, let alone in the dictionary. The first selfie stick was neither as eleg
阅读空间
加拿大研究人员开发雷达隐身衣 TORONTO, Nov. 25 (Xinhua) --- Witches and magic may not exist, but Harry Potter's invisibility cloak certainly does. A pair of researchers in the Canadian city of Toronto have developed their very own cloaki
英语新闻
HARBIN, March 2 (Xinhua) -- A therapeutic(治疗的) apparatus to treat Parkinson's disease has been developed in northeast China's Heilongjiang Province, according to the provincial science and technology department. It is a worldwide breakthrough i
英语新闻
ABIDJAN, Dec. 6 (Xinhua) -- Cote d'Ivoire's political crisis deepens with the appointment of two prime ministers by the two presidential candidates declared the winner of the Nov. 28 run-off respectively by the electoral commission and the Constituti
英语新闻
The Flies and the Honey-PotA NUMBER of Flies were attracted to a jar of honey which had beenoverturned in a housekeeper's room, and placing their feet in it,ate greedily. Their feet, however, became so smeared with thehoney that they could not use th
英语美文
That, sir, is the true philosophy of the case, you may depend upon it. 先生，这就是此事的真正原因，你当然可以相信。 But we will now drop the discussion of these matters; 不过，此刻我们还是别再继续讨论这一话题，
美国语文第五册
Properly analysed, Fraunhofer lines provide information about the exact chemical make-up of whatever is reflecting the light. 经过恰当分析，夫琅和费谱线可以提供关于任何反光物体的化学组成的确切信息。 Their patterns
经济学人科技系列
aboard prep./adv. 在(船、飞机、车)上，上(船、飞机、车) aborted a. 流产的，失败的 abuse n./vt. ①滥用,妄用②虐待,伤害③辱骂,毁谤 account n. ①记述,描述,报告②账,账户③解释,说明 vi. (for) ①说明的
大学四六级阅读
Chinese Academy of Sciences successfully launched a new sounding rocket, Kunpeng-1B, in Hainan Danzhou early Wednesday. The rocket reached a flight height of 300 kilometers for the first time. Its arrow configuration of altitude control system and ca
cctv9英语新闻2016年