单词：metacrolein
heating it with caustic potash. It is a crystalline substance having an
aromatic odor.
单词：metacrolein 相关文章
Herman Koch Gets Meta In 'Dear Mr. M' play pause stop mute unmute max volume 00:0006:04repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. LINDA WERTHEIMER,
2016年NPR美国国家公共电台8月
I will greet this day with love in my heart. For this is the greatest secret of success in all ventures. Muscle can split a shield and even destroy life but only the unseen power of love can open the hearts of men and until I master this art I will
羊皮卷
My dreams are worthless, my plans are dust, my goals are impossible. All are of no value unless they are followed by action. I will act now. Never has there been a map, however carefully executed to detail and scale, which carried its owner over eve
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I will laugh at the world. No living creature can laugh except man. Trees may bleed when they are wounded, and beasts in the field will cry in pain and hunger, yet only I have the gift of laughter and it is mine to use whenever I choose. Henceforth
羊皮卷
Today I will be master of my emotions. The tides advance; the tides recede. Winter goes and summer comes. summer wanes and the cold increases. The sun rises; the sun sets. The moon is full; the moon is black. The birds arrive;the birds depart. Flowe
羊皮卷
I will live this day as if it is my last. And what shall I do with this last precious day which remains in my keeping? First, I will seal up its container of life so that not one drop spills itself upon the sand. I will waste not a moment mourning y
羊皮卷
I am nature's greatest miracle. Since the beginning of time never has there been another with my mind, my heart, my eyes, my ears, my hands, my hair, my mouth. None that came before, none that live today, and none that come tomorrow can walk and tal
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I will persist until I succeed. In the Orient young bulls are tested for the fight arena in a certain manner. Each is brought to the ring and allowed to attack a picador who pricks them with a lance. The bravery of each bull is then rated with care
羊皮卷
Today I begin a new life. Today I shed my old skin which hath, too long, suffered the bruises of failure and the wounds of mediority. Today I am born anew and my birthplace is a vineyard where there is fruit for all. Today I will pluck grapes of wis
羊皮卷
Help this humble salesman. Guide me, God. Today I will multiply my value a hundredfold. A mulberry leaf touched with the genius of man becomes silk. A field of clay touched with the genius of man becomes a castle. A cyprus tree touched with the geni
羊皮卷
By Jordan Davis Dakar 31 January 2007 U.S. software giant Microsoft this week unveiled the latest version of its operating system, Windows Vista. Soon, African users may be able to boot up their computers using their native tongue because African lan
2007年VOA标准英语（一月）
Microsoft is one of the best-known companies in the world. Almost everyone uses a Microsoft product. These include the Windows operating systems, Hotmail and MSN, MS Word, Excel and PowerPoint, and the Bing search engine. The Financial Times ranks it
各大品牌英文介绍
头孢菌素类 第二代 头孢呋辛钠 Cefuroxime Sodium 头孢呋肟，赐福乐信，舒贝洛，西力欣，特力欣，明可欣，CXM，Zinacef，Monacef，Ketocef，Furex Kesiut，Supero 头孢
医务英语
The China Anti-Doping Agency said Sun Yang had tested positive for a banned stimulant trimetazidine, state news agency Xinhua reports. 中国新华社消息，中国反兴奋剂中心宣布孙杨因在兴奋剂三甲氧苄嗪检测中呈阳性被禁赛
英语新闻
MARY LOUISE KELLY, HOST: After a big fashion show, there's always the question, which trends will make the leap from the runway to real life? After Paris Men's Fashion Week, we ask, do shoes need their own pair of shoes? ARI SHAPIRO, HOST: The Chines
2018年NPR美国国家公共电台2月
What would life be like without Microsoft? Impossible? Perhaps not impossible, but definitely difficult. Microsoft seems to be a big part of our lives today. Most of us use Microsoft products every day. We need MS Word to create documents and Excel t
纯正英语一分钟
My legs are hairy for a good reason, replied Charlotte. 我的腿毛茸茸是有道理的，夏洛回答说， Furthermore, each leg of mine has seven sections, the coxa, the trochanter, 而且我的每条腿有七个节，基节、转节、 the femu
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Microsoft Windows 8 off to slow start: report
英语新闻
SAN FRANCISCO, July 21 (Xinhua) -- Microsoft Corp. on Thursday posted strong quarterly earnings in its fourth fiscal quarter, with profit and revenue beating expectations from Wall Street analysts. For the quarter ended June 30, the world's largest s
英语新闻
SAN FRANCISCO, Dec. 26 (Xinhua) -- Microsoft on Wednesday unveiled locations of the first six new retail stores it plans to open in 2013, indicating that the company will continue to expand its retail coverage in the new year. All of the six new stor
英语新闻