The active ingredient in some of the mouthwashes was simply detergent.某些漱口剂中的有效成分只不过是洗涤剂而已。Speed is the essential ingredient of all athletics.速度是所有田径运动项目的关键要素。Coconut is a basic ingredient for many curries.椰子是多种咖喱菜的基本成分。...
The best way to represent the isotactic structure is with molecular models.表示等规结构的最好方法是用分子模型.Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms.聚乙醛可以以无规, 间同和全同形式存在.Polyacetadehyde may exist in atacti...
Armenia is a land - locked country located in Eurasia's Southern Caucasus mountain range.亚美尼亚是位于欧亚大陆南高加索山脉的内陆国.Armenia: Two white doves may be released to signify love and happiness.亚美尼亚: 人们放飞两只白鸽,以示爱情和幸福.Once the n...