Diglycol diacetate had been obtained with sulfuric acid or toluene - p - sulfonic acid as catalyst in lab.研究了在实验室条件下,以硫酸、对 甲苯 磺酸为催化剂合成二甘醇二醋酸酯的方法.The synthetic principle and the process method diglycol dioleate were discu...
他们设法与英国驻里昂领事馆取得了联系。They managed to make contact with the British consulate in Lyons.西班牙领事馆是银行对面的那栋高大的白色建筑物.The Spanish consulate is the large white building opposite the bank.他到领事馆工作，主要因为那是仅有的几个空缺职位之一。He joined the consu...
A man is called selfish, not pursuing his own good, but neglecting his neighbour's.追求自身的利益，不是自私；只有忽视他人的利益，才是自私。Busyness in the King's business is no excuse for neglecting the King.在王的事上,不能把忙碌当成忽视王的借口.After year...