单词:ultra-high-vacuum physical vapor deposition
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useless 无用的,没有价值的 user 用户,使用者 usual 通常的,平常的 usually 通常 utility 效用,实用 utilise 实用 utilize 利用 utmost 极度的,极端的,极限 utter 完全的,彻底的说 vacant 空闲的,空缺的
Physical activity Most young people enjoy some form of physical activity. It might be walking, cycling, or swimming , or in winter , skating or skiing . It might be a game of some kind football, hockey, golf or tennis., or it might be mountaineering
Little Known About Men and Child Trafficking Victims A new study said much more research is needed on men and children whove been victims of human trafficking. It says theyre not getting the medical and psychological care necessary to rebuild their l
This is the VOA Special English Education Report. Common sense would tell us that physically active children may be more likely to become active and healthy adults. A high school gym class In the United States, elementary and middle schools are advis
Trafficking Victims Suffer Mentally, Physically A new study says victims of human trafficking suffer severe mental and physical health problems. Some estimates say at least 18-million men women and children worldwide are considered modern day slaves.
A pilot program will be set up to promote reform of the high school entrance exam, according to a guideline issued by the Ministry of Education last Tuesday. 根据教育部上周二发布的一项指导意见,我国将设立试点项目以推进中考
Hypertension, or high blood pressure, affects one third of US adults and is a leading cause of heart disease and stroke. 三分之一美国成人受高血压困扰,它是心脏病,中风的主要诱因。 A recent study found an increase in self-
A Pediatric Intern 儿科实习医生 In her first year as a pediatric intern, my daughter was responsible for the physical examinations of high-school athletes. When she asked one 16-year-old to strip so she could examine him, he looked at her for a
America is expected to face a shortage of workers in some jobs. Some lawmakers, however, are worried that not enough people are being trained to be able to do the work. For example, in 2024, America will need 9.2 million wind turbine workers -- twice
坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰
China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co
Childhood obesity continues to spread in the U.S. and elsewhere. A new study finds excessive snacking is the main culprit. One in three children in the United States is overweight or obese. A new study shows that some obese children as young as three
BEIJING, Oct. 12 (Xinhuanet) -- Children who spend hours each day watching television or playing computer games have more psychological(心理的) difficulties than those who don't, according to a study published in the US journal Pediatrics(小儿
Exercising for as little as two-and-a-half hours a week can undo damage done by sitting down all day, a study has found. 研究发现,每周仅需2.5小时的锻炼,就可抵消终日久坐带来的危害。 The study by the University of Leicest
Africas High Cost of Adapting to Climate Change Africa is being called the continent most vulnerable to climate change. A report commissioned by the African Development Bank says if the continent does not adapt it may be unable to meet its future foo
BEIJING, Oct. 21 (Xinhuanet) -- A team of European researchers announced that they have found vast water vapor out of our solar system, according to a study in the U.S. journal Science Friday. Using Herschel Space Observatory, a European Space Agency
中国标准化规范词汇大全 通用计量术语及定义 General Terms in Metrology and Their Definitions 国家计量检定规程编写规则 The Rules for Drafting National Metrological Verification Regulation 流量计量名词术语及定义
Surmounting Life's Obstacles - Do You Cling to What You Were Before? 跨越生命中的障碍 您还坚持原来的样子吗? A little stream flowed down from a high mountain far, far away through many villages and forests, until it reached a desert.