[网络] 免疫缺损

【英语时差8,16】心脏为什么不会疲倦？

Your heart muscle does something truly incredibleit expands and contracts, non-stop, every moment of every day of your entire life. By comparison, if you tried to squeeze and release the muscles in your hand, they would grow fatigued and need to rest

发表于:2018-12-03 / 阅读(124) / 评论(0)

英语时差8，16

专业术语—基因专业词汇I/K/L

发表于:2018-12-12 / 阅读(148) / 评论(0)

医务英语

VOA慢速英语--联合国报告称地球臭氧层愈合中

United Nations Report Says Earths Ozone Layer Is Healing A new study says the protective layer of the Earths atmosphere is finally healing from damage by humans use of harmful chemicals. Aerosol sprays and coolants had been thinning the ozone layer s

发表于:2018-12-16 / 阅读(87) / 评论(0)

2018年VOA慢速英语(十一)月

奥巴马每周电视讲话：总统缅怀前第一夫人南希里根

Hello, everybody. This past week, we lost an American icon and one of the most influential figures of her time-former First Lady Nancy Reagan. 大家好！上个星期，我们失去了一位美国的标志人物，也是她那个时代最有影响力的

发表于:2018-12-30 / 阅读(121) / 评论(0)

奥巴马每周电视讲话

美国国家公共电台 NPR Old-Style Chemo Is Still A Mainstay In The Age Of Targeted Cancer Therapy

DAVID GREENE, HOST: Today in Your Health, we're taking a close look at chemotherapy. It's been a mainstay of cancer treatment for decades, but that method is slowly being edged aside in medical research as new treatments, like immunotherapy, grab the

发表于:2019-01-08 / 阅读(184) / 评论(0)

2017年NPR美国国家公共电台3月

第406期:当妈妈很幸福?那你是不知道她们究竟有多抑郁

New Words: exhausted adj. 疲惫的；耗尽的 diminutive adj. 小的，小型的，微小的 headlock n. 摔跤中的夹头,锁头 hostage n. 人质；抵押品 voodoo n. 伏都教（一种西非原始宗教）；伏都教徒 visceral adj.出于本能

发表于:2019-01-10 / 阅读(111) / 评论(0)

卡卡课堂早餐英语

VOA慢速英语2014 地球臭氧层出现恢复迹象

Earth's Ozone Layer Shows Signs of Recovery 地球臭氧层出现恢复迹象 The new report says the Earths ozone layer is showing signs of recovery. Ozone is a form of oxygen. It is found in the air we breathe and in Earth's atmosphere. The ozone l

发表于:2019-01-12 / 阅读(163) / 评论(0)

2014年VOA慢速英语(九)月

VOA标准英语2011--Beleaguered Fishermen Learn to Run Float

Beleaguered Fishermen Learn to Run Floating Farm A handful of Maine fishermen have graduated from the nation's first ever Cod Academy. The program, run by the Maine Aquaculture Association, trains traditionally ocean-going fishermen to be fish farmer

发表于:2019-01-14 / 阅读(110) / 评论(0)

VOA标准英语2011年(八月)

VOA标准英语2013--Will There be Enough Water for Everyone?

Will There be Enough Water for Everyone? As the global population grows, so does the need for water. The Worldwatch Institute says increased demands for food, energy and industry, along with climate change, could lead to water scarcity in some places

发表于:2019-01-14 / 阅读(119) / 评论(0)

VOA标准英语2013年(三月)

A Sneaky Way to Put Bugs on the Menu

A Sneaky Way to Put Bugs on the Menu Running out of cooking oil or need some dressing for your salad? The solution may be crickets from your backyard! Scientists are turning insects into a source of edible and healthy oil. Even though insects are a d

发表于:2019-01-14 / 阅读(123) / 评论(0)

VOA标准英语2016年(一月)

外媒称未来将有多种昆虫走上餐桌

外媒称未来将有多种昆虫走上餐桌 Even though insects are a delicacy in some parts of the world, to many people, the thought of eating them is downright disgusting. 尽管世界上某些地区将昆虫视为美味佳肴,但对大多数人而

发表于:2019-01-14 / 阅读(97) / 评论(0)

VOA标准英语2016年(二月)

助人为乐吗？不，研究表明：助人为“累”

Imagine a busy day at work. One of your coworkers walks over to your office and asks for your help he is struggling to understand some financial projections. You put aside what youre doing and spend the next 45 minutes helping him sort through the fo

发表于:2019-02-01 / 阅读(113) / 评论(0)

阅读空间

Shell in Court Over Nigeria Pollution Charges

Shell in Court Over Nigeria Pollution Charges LONDON The international oil and gas company Royal Dutch Shell was in court Thursday facing charges of polluting Nigerian villages. The case has been brought in a civil court in The Hague by four Nigerian

发表于:2019-02-04 / 阅读(141) / 评论(0)

英语新闻

Bangladesh Steps up Efforts to Save Tigers

As the tiger continues to face critical threats to its survival（生存） , yet another country is joining the global battle to save the big cat. An estimated 300 to 500 Royal Bengal tigers roam the sprawling, 6,000-square-kilometer mangrove forest

发表于:2019-02-07 / 阅读(208) / 评论(0)

英语新闻

联合国:臭氧层将于2048年恢复原状

Ozone layer（臭氧层） 'is no longer disappearing and will return to full strength by 2048', says UN report. The ozone layer is no longer disappearing and could be back to full strength by the middle of this century, UN scientists have confirmed（

发表于:2019-02-07 / 阅读(106) / 评论(0)

英语新闻

Step by Step 3000 第2册 Unit8:Everybody can help the environment(2)

Part 2. Campaign California Re-leaf. Keywords. tree planting campaign, carbon dioxide, personal actions. Vocabulary. kick off, coalition, deflate. carbon dioxide, neutral, deplete, irreversible, on hand, copper beech, Styrofoam. A. Listen to three sh

发表于:2019-02-15 / 阅读(156) / 评论(0)

Step by Step 3000 第二册

双语有声阅读：海洋哺乳动物

Marine Mammals Since there is such an abundance of food in the sea,it is understandable that some of the efficient, highly adaptable, warm-blooded mammals that evolved on land should have returned to the sea.Those that did have flourished. Within abo

发表于:2019-02-17 / 阅读(117) / 评论(0)

双语有声阅读

想要永葆年轻？别碰这些食物

It's well known that foods high in sugar and salt are dangerous for the waistline, but they could also be ageing your body much faster than you realise. 众所周知，吃高糖类和高盐类食物会有发胖的危险，但是这类食物加速身体

发表于:2019-02-18 / 阅读(159) / 评论(0)

阅读空间

潘基文呼吁消除非法烟草贸易

UNITED NATIONS, May 31 (Xinhua) -- UN Secretary-General Ban Ki- moon on Sunday called for more efforts to put an end to the illicit trade in cheaper tobacco products in order to advance public health and sustainable development. The secretary-general

发表于:2019-02-19 / 阅读(105) / 评论(0)

英语新闻

写给地球的一封公开信

麦田怪圈不是我们干的。请用心想想吧。我们以你们认为不可能实现的速度飞行于群星间可你们还认为我们需要为了联络用途而压下麦秆？你们为什么还总是以为我们会在荒郊僻野着陆？我们

发表于:2019-02-19 / 阅读(173) / 评论(0)

英语美文

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学英语单词

air-ballast pump

airtight test for refrigerant piping system