Late at night , the guerrilla forces besiege the yard.当俊俏女兵和老马向爷爷求助时,爷爷沉默无语,悄悄离去.Our armoured steeds besiege the Dragon Town.铁骑绕龙城.The main part of the army moved to Sevastopol to besiege the town...军队主力转移到了塞瓦斯托波尔，对该城进行围...
5公开的责备强如暗中的爱.Open rebuke is better Than love that is hidden.莫仑霍和他自己就是暗中的敌手.Mollenhauer and himself were silent rivals.在我们安静的时候,我们祷告我们在暗中的父,在那里“他将我们藏在他帐幕的隐密处. ”In our quiet time we have to pray to our Father which is in s...
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...