以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸铈铵为催化剂,...
财富未必等同于幸福。Wealth is not necessarily synonymous with happiness.他认为成功等同于物质财富.He equates success with material wealth.该发言人强调这些措施并不等同于全面禁止.The spokesman stressed that the measures did not amount to an overall ban....
The haulage company was a carrier of machine parts to Turkey.该公路货运公司负责将机械零件运往土耳其。the road haulage industry公路货运业Haulage distances are not excessively long.拖运距离并不十分远....
It was especially galling to be criticised by this scoundrel.被这个无赖指责让人尤其气愤。The insolence in the fellow's eye was galling.这家伙的傲慢目光令人恼怒.There is no metal - to - metal contact, therefore gate galling is impossible.不存在金...