Marks & Spencer will be unveiling its latest fashions for autumn and winter...玛莎百货的最新款秋冬季时装即将亮相。Top retailer Marks & Spencer has romped in with another set of sparkling results.零售巨头玛莎百货再次凭借一系列耀眼的成绩轻松胜出。...the Dowager Cou...
Then there was the mad rush not to be late for school.然后就是匆忙往学校赶，以免迟到。He admonished his friend not to be late for work.他规劝他的朋友上班不要迟到.We'll be late for the meeting if we stay any longer.再不走我们开会就要迟到了....
每年他们淘出大约1.5吨金子。Every year they panned about a ton and a half of gold.需要30万吨谷类补充库存。Three hundred thousand tons of cereals are needed to replenish stocks.数百吨石油溢出流入大海。Hundreds of tons of oil spilled into the sea....
传统的缩酮化、酯化反应工业上多采用浓硫酸作催化剂.Traditional ketalization and esterification reactions are usually catalyzed by concentrated acid in industry.对甲苯磺酸铜是乙二醇与羰基化合物缩醛(酮)化反应的高效催化剂.Acetalization of glycol with carbonyl compounds was car...