Ten aryl chloroacetates were synthesized by liquid - liquid phase transfer catalysis.摘要利用液 - 液相转移催化法合成了10种氯乙酸芳酯.Aryl disulfides, for example, inhibit polyolefin oxidation.例如芳基二硫化物可抑制聚烯烃的氧化.The most effective syhthetic co...
妙用时令蔬菜的菜谱recipes that make imaginative use of seasonal vegetables腐烂蔬菜的气味the smell of rotten vegetables蔬菜的价格随季节变动.The price of vegetables fluctuates seasonally....
The consultant was a man who had many unanswered questions.这个男性咨询者有许多待解的问题.Some of the most important questions remain unanswered...最重要的一些问题依然没有答案。Forgive me for leaving some of your questions unanswered.请原谅,你有几个问题我没回答.I...
undersea delta水下三角洲Coaxial cable is also used for undersea telephone lines.同轴电缆也用于海底电话线.undersea cameras海底摄象机The technology of undersea mining was then undeveloped.那时候深海采矿技术还不成熟....an undersea pipeline running to Europe....