The infra - red spectra of quinones present a number of interesting features.醌类的红外光谱具有一些有趣的性质.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.Infra - red ...
他说这话时，外面传来一阵敲打声。As he said it, there was a hammering outside.因为隔着双层玻璃，锤子的敲打声变低沉了。The noise of hammering was dulled by the secondary glazing.暴雨敲打着窗户，房间早早就暗了下来。The heavy rain driving against the windows made the room prema...
He was actuated entirely by malice.他完全是出于恶意。The timer must have been actuated by radio control.这个定时器肯定是无线电操纵开动的.The pump is actuated by a belt driven by an electric motor.这台抽水机由电动机皮带驱动....
或者有人能当担保人帮我们签字.Or someone can sign with us as a guarantor.有担保人能得到贷款 吗 ?Is a personal guarantor enough to get a loan?担保人在约定的担保范围内承担责任.The guarantor shall be held liable within the agreed scope of guaranty....
Comparatives, superlatives, hedges , numerals, quantifiers and pronouns are also used in advertisements.比较级 、 最高级 、 模糊限制语 、 数词 、 量词和代词也出现在广告中.In this unit, are many adjectives. Please write their comparatives.在这一单元中, 有许多...