His job consists of dull, repetitive work.他干的是些单调重复的工作。Suddenly music that seemed dull and repetitive comes alive.突然间，似乎索然无味且反反复复的音乐生动了起来。Robots can relieve people of dull and repetitive work.单调重复的工作,机器人可以代劳。...the repet...
This adulteration of food must stop.必须制止在食品中搀假。This adulteration of food must be stopped.必须制止在食品中搀假.Adulteration with petroleum is permitted in certain circumstances.在某种场合下,允许与石油掺合起来使用....
她告诉我们她是某苏格兰勋爵的后裔。She told us she was descended from some Scottish Lord.这个头衔将只能传给男性后裔。This title will only pass down through the male line.他属于奥康纳家族，是爱尔兰最后一位君王的嫡系后裔。He was an O'Conor and a direct descendant of the las...
Aspirin is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.One advisable way is to synthesize NFM acylating morpholine...