Leonard made a rapid calculation: he'd never make it in time.伦纳德快速盘算了一下：他肯定赶不上了。Graham made a quick mental calculation.格雷厄姆很快就心算出来了。He is absorbed in the calculation of that difficult maths problem.他全神贯注地在算那道数学难题....
论述了以相转移催化剂催化合成邻硝基茴香醚的新方法.The process of synthesizing o - nitroanisole by using phase - transfer catalyst was described.丁化羟基茴香醚: 一种白色蜡状的苯酚抗氧化剂, CHO, 用于保存脂肪和油, 尤指在食物中.BHa: a white, waxy phenolic antioxidant, CHO, used to p...
If bricks or wooden walls are treated but unpainted they look beautiful.墙面经过打磨(刮大白)但不喷色漆看起来会很漂亮.The unpainted planks produced by this factory sell well.这家厂的白板销量一直不错.RUST unpainted metal tools were covered with rust.未上漆的金...
This merely strengthens our resolve to win the league.这只会更加坚定我们赢得联赛的决心。Cycling is good exercise. It strengthens all the muscles of the body.骑自行车是一项不错的锻炼方式。它能使身体各部分的肌肉更强健。Regular exercise strengthens the heart, thereby re...