安全范围

safety limit的用法和样例：

例句

The contents of Pb, As, Cd, Cr, mould fungus and bacteria were within the limit of safety.Therefore, P. americana L. could potentially be used as a material for high quality feed.主要卫生指标含量均低于饲料卫生标准中的安全限量，表明美洲大蠊可作为一种优质的功能性蛋白饲料。
And its clinical dosage was within the safety range.临床用量在安全范围。

VOA慢速英语2010年-Activists Say Fishing Limit Not Enough

This is the VOA Special English Agriculture Report. An international group has set the limit for next year's catch of bluefin tuna in the eastern Atlantic and Mediterranean Sea. The limit is just under thirteen thousand metric tons. That is six hundr

发表于:2018-12-01 / 阅读(319) / 评论(0)

2010年VOA慢速英语(十二)月

纯正英语一分钟-Food safety

Food safety seems to be a big issue nowadays. I cant remember it being such a big problem years ago. With todays technology, it shouldnt be a problem. But it is. In fact, there are many problems. In my country, GM food is a big issue. People do not w

发表于:2018-12-26 / 阅读(203) / 评论(0)

纯正英语一分钟

旅游英语口语就该这么说:第98期乘出租车安全驾驶

Can you drive faster? 你能开快一点吗？ I never drive faster than the speed limit. 我从不超速行驶。 Could you please slow down a little bit? 可以慢一些吗？ Don't drive so fast, please. 请别这么快。 Safety first is my motto

发表于:2018-12-27 / 阅读(149) / 评论(0)

旅游英语口语就该这么说

英语歌曲:No Limit（曾经是35个国家排行榜的冠军单曲）

No Limit（曾经是35个国家排行榜的冠军单曲） Let me hear you say Yeah! 让我听到你们大声说 YEAH No no no no .... 没有... 没有 No no these's no limit 没有极限 No no no no .... 没有... 没有 No no these's no limit 没有极

发表于:2019-01-10 / 阅读(211) / 评论(0)

欧美绝对经典 U2

VOA慢速英语2011--Debt Limit Talks Show Deeper Debate on G

Economics Report - Debt Limit Talks Show Deeper Debate on Government's Duties 经济报道 - 美国债务上限谈判凸显政府职能争议 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Anyone wh

发表于:2019-01-12 / 阅读(222) / 评论(0)

2011年VOA慢速英语(七)月

VOA标准英语2011--Stakes High in US Battle Over Debt Limit

Stakes High in US Battle Over Debt Limit The political wrangling in Washington about federal budgets is likely to get more intense as the stakes rise from billions of dollars to trillions. Some of the focus is changing from a squabble over government

发表于:2019-01-14 / 阅读(242) / 评论(0)

VOA标准英语2011年(四月)

每日一词【1215】age limit：年龄限制

今天我们要学的词是age limit。 Age limit, 年龄限制。社交网站脸书网并不是任何人都能注册帐户的。 Facebook enforces an age limit of 13 years or older to register an account, 脸谱网规定，只有满13岁的人才能注

发表于:2019-01-25 / 阅读(164) / 评论(0)

英语每日一词

Dont Allow Your Weaknesses to Limit You

We all have weaknesses and strengths no matter who we are. Sometimes the weaknesses seem to outweigh the strengths and sometimes its the other way around. Some people get sick easily. Some struggle to manage their finances properly. Some people are h

发表于:2019-01-27 / 阅读(243) / 评论(0)

阅读空间

HEALTH REPORT – Safety Questions About Drugs

HEALTH REPORT – Safety Questions About Drugs By Jill Moss Broadcast: Wednesday, December 22, 2004 I'm Gwen Outen with the VOA Special English Health Report. Several pain medicines in the United Stat

发表于:2019-01-27 / 阅读(264) / 评论(0)

健康与经济

VOA常速英语2008年-US Urges Turkey to Limit Iraq Incursion

By David Gollust State Department 22 February 2008 The United States Friday called on Turkey to limit the scope of its ground incursion in northern Iraq and bring it to an early conclusion. The operation is apparently the biggest of several recent Tu

发表于:2019-01-31 / 阅读(238) / 评论(0)

VOA常速英语2008年（二月）

学个词Learn a Word 第1215期 age limit

发表于:2019-02-02 / 阅读(230) / 评论(0)

英语单词荟萃

英语高频词：limit＆limited用法

limit 在美国当代英语语料库统计的20000个常用词中，limit作为动词的用法排在第1355位，在4.5亿个单词中出现了28901次; 频率最高的搭配：名词搭配：limit numberlimit abilitylimit uselimit powerlimit amount

发表于:2019-02-03 / 阅读(463) / 评论(0)

英文语法词汇

Obama to sign short-term debt limit bill: White House

WASHINGTON, Jan. 22 (Xinhua)-- The White House on Tuesday said they welcomed the House Republicans' proposal of a short-term extension of debt limit and the President would sign the bill if it could reach his desk. White House spokesman Jay Carney sa

发表于:2019-02-07 / 阅读(229) / 评论(0)

英语新闻

事实：人类记忆力的局限-The Limit of the Human Memory

Pre-Listening Vocabulary limit: the highest amount possible aid: something that helps you do something chunk: a group of similar things revise: to change or adapt The Limit of the Human Memory According to recent studies, the human mind has a memory

发表于:2019-02-08 / 阅读(265) / 评论(0)

Facts-事实

China adopts school bus safety regulation

BEIJING, March 29 (Xinhua) -- The State Council, China's cabinet, has approved a draft of regulations on school bus safety management, according to a statement issued Thursday. The statement, released after a State Council meeting presided over by Pr

发表于:2019-02-13 / 阅读(236) / 评论(0)

英语新闻

China's education ministry reiterates school bus safety

BEIJING, Feb. 26 (Xinhua) -- China's Ministry of Education on Tuesday reiterated it will fully implement the school bus safety regulation after some local schools were not aware of the new rules. A number of illegal kindergartens are still using disq

发表于:2019-02-13 / 阅读(217) / 评论(0)

英语新闻

英文摇滚歌曲：Boyce Avenue - Speed Limit

All your life you've tried to fill a void, oh Fake a smile but couldn't find the joy, no They slow you down just to make sure you fit in, oh But they were wrong cause I wouldn't change a thing, no If you want somebody to love you You know I will If y

发表于:2019-02-18 / 阅读(286) / 评论(0)

英文摇滚歌曲

Obama requests 1.2 trillion USD rise in borrowing limit

WASHINGTON, Jan. 12 (Xinhua) -- U.S. President Barack Obama requested Congress Thursday to raise the federal government's borrowing limit by 1.2 trillion U.S. dollars, as the government is facing mounting budgetary pressure. It was the third and fina

发表于:2019-02-18 / 阅读(187) / 评论(0)

英语新闻

俄罗斯防车祸放大招美女举牌限速

A road safety campaign in Russia has come up with an inventive way to force drivers to slow down - by using topless women to carry speed limit signs. 俄罗斯一个道路安全宣传活动用颇具创意的方式让路上的司机减速：让裸胸美

发表于:2019-02-18 / 阅读(202) / 评论(0)

英语新闻

Possible Compromise in Works over US Debt Limit

President Barack Obama says a proposal by a group of Republican and Democratic senators represents a significant step toward a possible compromise on cutting government deficit spending and raising the debt ceiling. Speaking to reporters in the White

发表于:2019-02-19 / 阅读(214) / 评论(0)

英语新闻

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artificially initiated lightning