It was a good table too, sturdily constructed of elm.这也是张很不错的桌子，榆木的，很结实。You , you are stupid, your brain are elm, he brain is chemic.你呀, 你是榆木脑袋, 人家是化学脑袋.The result shows that hackmatack, koyama spruce and elm have a bett...
Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.Plasma - polymerization of ethylene gives films of complex, uncertain structure.乙烯的等离子聚合得到复杂的, 无固定结构的薄膜.In...
The problem may be due to poor workmanship.问题可能在于工艺太差。If the trip is a success, a lot of this will be due to Mr Green'sefforts.如果说这次旅行获得了成功，那很大程度上要归功于格林先生的努力。The shaking inside may be due to low blood sugar, too muc...