Poly ( vinyl alcohol ) has been protected against radiation by benzalation and benzoylation.聚乙烯醇 的耐辐解可通地苄叉化和苯甲酰化提高.Poly alcohol has been protected against radiation by benzalation and benzoylation.聚乙烯醇的耐辐解可通过苄叉化和苯甲酰化提高.M...
A long , loose outer garment, as that worn by artists and craftspeople ; a smock.(英国)脏活时穿在普通衣服外的一种宽松的保护性工作服....highly skilled craftspeople.技艺高超的手艺人Inevitably, under such a system, there will be craftspeople working for v...
She checked the seating arrangements before the guests filed into the dining-room.在客人们鱼贯进入餐厅之前，她核实了一遍座位安排。So he went and filed a suit and won his job back.于是，他去打官司赢回了他的工作。She paused as the group of children filed out of ...
I'm looking for a black school bag.我在找一种黑色的书包.T : What is in the school bag? Can you touch and guess?让一名学生上来摸一摸,猜一猜,书包里有 什么 ?This is her school bag And this is his school bag.这是她的书包.这是他的书包....
The time delay would be smaller by eight orders of magnitude.如果按8个数量级来看，延时量会显得小一些。These are issues of great magnitude.这些问题极为重要。I want to know the magnitude of this equipment.我想知道这个设备的大小....
Her eyes were masked by huge round sunglasses.她的双眼被一副圆形大墨镜遮住了.I wore sunglasses all the time and people thought it was an affectation.我成天戴着墨镜，大家都觉得我在装酷。He had to wear sunglasses because of the glare of the sun.因为阳光耀眼,他只好...