单词：alkali acid extinguisher
单词：alkali acid extinguisher 相关文章
Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
We attended the wedding of an acquaintance's son. Because we did not know the young man or his bride, we decided to send them a practical household gift, a fire extinguisher. Apparently, the couple ma
英汉幽默故事选读
Lesson 95 A fantasy 纯属虚构 First listen and then answer the question. 听录音，然后回答以下问题。 Why was the Ambassador particularly lucky? When the Ambassador or Escalopia returned
新概念英语第二册
aim at 用瞄准 ambassador 大使 basement 地下室 be in a frightful state 处于惊吓状态 break out 爆发 definitely 肯定地 drily 冷淡地，枯燥无味地 embassy 大使馆 Escalopia （虚构的国名） fantasy 幻想故事 fire extin
新概念英语第二册单词MP3
【生词预览】 acquaintance 熟人， practical 实用的， extinguisher 灭火器 【笑话原文】 TheNiceWeddingGift Weattendedtheweddingofanacquaintance'sson.Becausewedidnotknowtheyoungmanorhisbride,wedecidedtosendthemapracticalhouseholdgif
英语笑话（MP3+文本）
alkali碱 alloy结合体 aluminum铝 ajar半开的 bleach漂白 catalyst催化剂 compound化合物 crystal水晶 combustible易燃的 distill提炼 electrician电工 erase抹掉 flask烧瓶 fuse融合 hydrogen氢气 insulate隔热 intrinsic内在的
80天攻克雅思核心词汇
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
Section 28 Acid Rain 50 years ago, no one talked about acid rain. Then we didn't really know the harm it was causing to the world. Today almost every adult and school child is aware of acid rain and i
英语导读1000句
This is Whats Trending Today Elon Musk - head of electric carmaker Tesla and aerospace company SpaceX - is known for using creative methods to raise money for his businesses. He has successfully gotten tens of thousands of interested buyers to place
2018年VOA慢速英语(二)月
On this Labor Day, there are two things I want you to know. Number one, I am going to keep fighting every single day, every single hour, every single minute, to turn this economy around and put people back to work and renew the American Dream, not ju
CNN2010年(九)月
This is Scientific Americans 60-Second Science, I am Cynthia Graber .This will just take a minute. How can we improve engines, inhalers and fire extinguishers? Maybe by copying a beetle. The bombardier beetle's name might scare off predators if they
Scientific American(四)月
Follow your common sense You cannot hide yourself behind a fairytale forever and ever Only by revealing the hole truth can we disclose The soul of this bulwark forever and ever Forever and ever Indoctrinated minds so very often Contain sick thoughts
英文摇滚歌曲
Can Folic Acid Prevent Childhood Autism? From VOA Learning English, this is the Health Report in Special English. A new study found that women who took folic acid supplements in early pregnancy were less likely to have a child with autism. Folic acid
2013年VOA慢速英语(五)月
AS IT IS 2016-02-13 Work Soothes Pain of Acid Attacks In India A caf in India is hiring women who once stayed in hiding after being attacked with acid. One woman, Dolly Kumari, says she stayed inside for two years after a man threw acid on her. He wa
2016年VOA慢速英语(二)月
Pakistani Acid-Attack Victim Enjoys New Life in Texas After taking the oath of citizenship, Julie Aftab celebrated. I have waited eight-and-a-half years to hear those words, and those words mean so much to me, she said. Ten years ago, when she was 16
VOA标准英语2012年(八月)
Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin
VOA标准英语2013年(四月)
Dealing with a fire 处理火灾 A: What should I do if I notice a fire? A:如果我发现发生火灾该如何做? B:Raise the alarm by breaking the glass of the nearest fire alarm. Call Security, say 'Fire' and give your name and exact location. At
职业技术英语口语
By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
介绍: smog 雾霾 mask 口罩、面膜 A mask is an object normally worn on the face, typically for protection, disguise（伪装）, performance, or entertainment. gas mask 防毒面 oxygen mask 氧气面罩 air purifier /?pj?r?fa??r/ 空气净化器
英语俚语天天说
On September 18th, all New Zealand bread was going to have folic acid added to it. However, now the government has decided to wait three years. New Zealand and Australia have an agreement about food standards. Australia is going to add folic acid to
新西兰英语