电导滴定仪

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

发表于:2018-12-07 / 阅读(96) / 评论(0) 分类 2006年慢速英语(五)月

medical apparatus and instruments: 医疗器械 pharmaceutical factory:药厂 drugstore; chemists shop; pharmacy:药店 pharmacopeia: 药典 prescription: 药方 write out a prescription: 开药方 drugstore; chemists shop; pharma

发表于:2018-12-12 / 阅读(57) / 评论(0) 分类 医学英语

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

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 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

发表于:2019-01-01 / 阅读(128) / 评论(0) 分类 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

发表于:2019-01-07 / 阅读(150) / 评论(0) 分类 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

发表于:2019-01-12 / 阅读(85) / 评论(0) 分类 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

发表于:2019-01-12 / 阅读(149) / 评论(0) 分类 2007年VOA标准英语(二月)

Science and technology 科学技术 Animal behaviour 动物行为 Drip-feeding 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 Time to change restaurant 该换家馆子了。 BIOLOGISTS are sometimes acc

发表于:2019-01-26 / 阅读(100) / 评论(0) 分类 经济学人科技系列

Science and Technology Animal behaviour Drip-feeding 科技 动物行为 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat

发表于:2019-01-26 / 阅读(92) / 评论(0) 分类 经济学人科技系列

Science and Technology Animal behaviour Drip-feeding 科技 动物行为 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat

发表于:2019-01-26 / 阅读(100) / 评论(0) 分类 经济学人科技系列

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.

发表于:2019-01-27 / 阅读(60) / 评论(0) 分类 PBS访谈社会系列

Delicacy was the key word. Not a whisper of disturbance could be allowed into the room containing the apparatus, so Cavendish took up a position in an adjoining room and made his observations with a telescope aimed through a peephole. The work was in

发表于:2019-01-29 / 阅读(72) / 评论(0) 分类 万物简史

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

发表于:2019-02-04 / 阅读(77) / 评论(0) 分类 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

发表于:2019-02-05 / 阅读(118) / 评论(0) 分类 英语新闻

It's been almost 40 hours since Eastern Star capsized. The ship left Nanjing on May 28th, heading upstream along the Yangtze River to Chongqing. It was caught in strong winds in Jianli, Hubei Province late on June 1st, Monday night. The ship sunk wit

发表于:2019-02-05 / 阅读(92) / 评论(0) 分类 cctv9英语新闻2015年

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

发表于:2019-02-06 / 阅读(104) / 评论(0) 分类 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

发表于:2019-02-08 / 阅读(114) / 评论(0) 分类 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

发表于:2019-02-08 / 阅读(145) / 评论(0) 分类 英语美文

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

发表于:2019-02-16 / 阅读(94) / 评论(0) 分类 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

发表于:2019-02-18 / 阅读(66) / 评论(0) 分类 大学四六级阅读