单词:benzene ring
benzene ring的用法和样例:
例句
- The benzene ring is also seen in other compounds.苯环在其他化合物中也可以看见。
- A strain may be defined as an organic compound containing a benzene ring plus a chromophore and auxochrome group.染料定义为含有苯环与呈色官能基与辅助成色官能基的化合物。
- benzene nucleus苯核
- benzene formula苯式
- Kekule formula[化] 凯库勒式(指苯结...
单词:benzene ring 相关文章
Hello and welcome to the VOA Learning English program Words and Their Stories. Everyone around the world celebrates the New Year differently and at different times. Most people in the U.S. celebrate it on January 1. But they may also observe New Year
Ian Mackellen (Gandalf): I’m sure the audience watching will be full of fear and anticipation. It’s the 1) ultimate adventure story. The Lord of the Rings takes place in a world called Middle Eart
The fate of the world will soon be decided. The 1) dominion of evil grows even stronger. There is a union now, between the two towers: Barad-dur, 2) fortress of the dark lord Sauron. And Orthanc, 3) s
今天我们要学的词组是ring。 Ring是戒指,耳环,也指从事非法活动的集团、团伙。比如贩毒集团 -- drug ring,出售儿童色情录像的团伙 -- child pornography ring。 有报道说, 奥地利政府侦破了一个在
说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 single [ 5siN^l ] She buys a single ne
Ring A Ring Of Roses a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* ring a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* the king has sent his daughter to fetch a pail of water (hot-sha hat-sha all f
to throw one's hat in the ring to go on the stump 在竞选的第一个阶段,那些认为自己有资格当总统的人经过多方考虑后作出决定究竟参不参加这次总统竞选。美国人
Throw your hat in the ring的意思是“宣布参加一场比赛”,尤指参加政府竞选。但这种说法从何而来?它和ring(拳击赛场)又有何联系?请听以下细细分解。
英文歌词: Orange Blossom Ring---The Klezmatics I loved a man so kind and sweet And every night we used to meet He gave to me my orange blossom ring. He got in trouble down in town The deputy sheriff shot him down I wore his golden orange blossom rin
This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr
RING A RING O ROSES Ring a-ring o' roses, A pocketful of posies. A-tishoo! A-tishoo! We all fall down! The cows are in the meadow Lying fast asleep, A-tischoo! A-tischoo! We all get up again.
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歌词如下: Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here. Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here.
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Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康
Brass ring: 发财机会! 嘿,如果有送上门来的发财机会,您可千万要抓住哦! 看了这句话,您一定要笑,除非是傻瓜笨蛋,否则没人不知道这个理儿,当然,前提条件是法律允许范围之内。道理
本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou
今天学的词组是throw one's hat in the ring。这个词组的字面意思是把帽子扔进拳击场。据说在19世纪的拳击比赛中,有人要和拳击手较量,就把帽子扔进拳击场里 -- throw his hat in the ring。后来把帽子