您要查找的是不是：
- Urea amination 尿素氨化
- A clathrate compound, such as urea. 包合物一种笼状化合物，如尿素
- But 120 tons of urea is really a small one. 但120吨尿素确实是个小数目。
- Amin asked him: "how injured his face? 阿明就问他：“怎么脸上挂彩啦?
- "Diola lle, Elrohir, amin yanwuva rato. （谢谢你埃尔洛赫，过一会我就回去。）"
- Amin is the mobile phone, SMS is just the tone. 手机是阿明的，刚才那是短信提示音。
- "Think of these Amin very angry. 想起这些阿明就很气愤。
- Ey rabbim beni ve kardeslerimi emanet et amin!!! Rabbim 就是伟大的 Allah，不是什么RAB 天神！！！
- Government tender urea must submit price by 18th noon. 政府招标尿素，须于18日正午前报价。
- Allantoin is one of the important urea derivative products. 尿囊素是一种重要的尿素衍生产品。
- A kidney also takes urea and mineral salts out of the blood. 肾还排出血液中的尿素和无机盐。
- Urea is commonly used as the source of nitrogen in foliage sprays. 尿素作为氮素给源普遍地应用于叶面喷布。
- Excreting urea as the chief component of nitrogenous waste. 排尿素的作为含氮排泄物中主要成分的尿排泄的
- Increase of nitrogenous substances, especially urea, in the urine. 氮尿氮物质的增加，特别是尿里的尿素
- Kay Amin: [about her husband] He cannot trust anybody anymore. (谈到她的丈夫)他再也不能相信任何人了。
- "Recalled that, we can see that not think Amin disbelieve. 回忆起那次所见，阿明觉得不可思议。
- Increase of nitrogenous substances,especially urea,in the urine. 氮尿氮物质的增加，特别是尿里的尿素。
- Idi Amin: A man who shows fear... he is weak, and he is a slave. 一个暴露自己害怕的男人...他是不堪一击的，并且他将为奴隶。
- Describe structure design of light bulk urea storage house. 介绍一种轻型尿素散装仓库结构设计。
- It must be broken down to urea, which consumes energy. 它必须被分解成为尿素，这时也要消耗能量。
