There is a general presumption that the doctor knows best.一般人都以为医生最了解情况。They were angered by his presumption.他们对他的放肆感到非常愤怒。She was indignant with his presumption and self - satisfaction and conscious rectitude.她恼火他的傲慢自满和...
汞的化学元素符号是什么?What's the chemical symbol for mercury?有些窃贼用汞水腐蚀他们的镣铐.Some thieves have eaten off their irons with mercury water.添加的甲基汞的回收率据报到达90%左右.The recovery of added methylmercury was reported to be approximately 9...
她穿着羊毛宽松裤和涡旋花纹宽袍。She was wearing wool slacks and a paisley smock.这种宽大的轮胎有很深的胎面花纹。The fat, broad tyres had a good depth of tread.黑白圆点花纹的紧身连衣裙当时是最时尚的。The hip-hugging black and white polka-dot dress was the height of fashion...
Objective: This HPLC method is to determinate the purity of benzo - macrocyclotetraamide NaFe.目的: 采用高效液相色谱法测定苯并大环四酰胺钠铁的纯度.Objective To synthesize 2 - ( 4 - methoxypheny ) - 6 - methoxy - benzo [ b ] thiophene.摘要目的合成目的产物 ...