已调集了增援警力来平定骚乱。Extra police were called in to quell the disturbances.他的情绪终于平定下来.He calmed down in the end.他们只得叫来警察以平定骚乱.They had to call the police in order to put down the riot....
The paper introduced the technical progress in air curing fluorinated polyurethane coatings.介绍了常温固化含氟聚氨酯涂料的研究进展.Meanwhile , fluorinated acrylate latexes performed better based on present experimental parameters.三种材料中, 含氟...
The method of deducing Pythagorean Triples ( irreducible and reducible ) is explained.并说明了互素勾 股数 组的导出方法....the irreducible complexity of human life.人的生活本就复杂，难以简化to cut staff to an irreducible minimum把职员减少到最低限度Expenditure...
An overdose of sun, sea, sand and chlorine can give lighter hair a green tinge.过量接触阳光、海水、沙粒和氯气会使浅色头发略呈绿色。Chlorine is usually liquefied before use or storage.氯在使用和贮存以前通常要液化.Derivatives of bromine are much more active than...