A series of technical foul-ups delayed the launch of the new product.一系列技术问题延误了新产品的上市。This was enough to launch their careers into the stratosphere.这足以让他们的事业平步青云了。The satellite had been inactive since its launch two year...
I put a dab of butter on my bread.我往面包上抹了点黄油。Ask Neil to do it — he's a dab hand at carpentry.让尼尔来做吧,他做木工活很在行.Dab the paint on with a sponge.用海绵扑上颜料。She wore no make-up, not even a dab of lipstick.她没有化妆，甚至连一点儿口红都没涂。...
Flavin: Any of a class of organic compounds, pale yellow biological pigments that fluoresce green.黄素: 一组浅黄 、 绿萤光生物色素,在植物和动物组织中分布很广,含量少.FAD ( flavin adenine dinucleotide ) A derivative of riboflavin that is a coenzyme in ...
Kids nowadays love to eat junk food every day.现在的小孩每天都喜欢吃速食.How often do you eat junk food?你多久吃一次无营养食品?What kinds of junk food do you eat?你吃什么样的无营养食品?...