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例句 1。 The theater can be seen as one tool for people to define and understand their world or escape from unpleasant realities。 戏剧可以看作人们定义和理解他们世界的工具,也是逃避不愉快现实的工具。
2。 The surface…to…volume ratio of bigger animals is usually lower; that's to say; they have proportionately less surface through which heat can escape。 对于体积较大的动物,其体表面积与体积之比通常较低,也就是说,它们只有较少的体表面积可以散热。
3。 After 1815; improved transportation enabled more and more western farmers to escape a self…sufficient lifestyle and enter a national market economy。 1815年之后,更加发达的交通工具使越来越多的西方农民摆脱了自给自足的生活方式,进入了市场经济模式。
exhaust[ig'z?:st]v。(使)非常疲倦;耗尽 n。(机器排出的)废气
搭配 exhaust emission 尾气排放
例句 1。 During the period of a shorter drought; if they exhausted their stored food supplies; they would get in deep trouble since growing crops required rain rather than reservoirs。 在短暂的干旱时期,如果他们耗尽了储存的粮食,将使自己陷入严重的困境,因为种植作物更需要的是雨水而不是水库中的水。
2。 He returned from the gym; too exhausted to eat dinner。 他从健身房回来后精疲力竭,连饭都懒得吃了。
fertilizer['f?:rt?laiz?r]n。 肥料,化肥
例句 They applied more fertilizers to supply more nutrients to plants。 为了给植物提供更多的营养,他们增加了肥料的使用量。
fiber['faib?r]n。 纤维;光纤
例句 The rope of the late Ice Age found in the French cave consists of fibers spiraling to the right; proving that it was tressed by a right…handed person。 在法国岩洞里发现的冰河时代晚期的绳子是由向右旋转的纤维制成的,证明它是由右撇子的人拧成的。
派生 fibrous(a。 含纤维的)
flat[fl?t]a。 平坦的;(价格)固定的;单调的
例句 On the flat plains; he saw moraines; that reminded him of the terminal moraines found at the end of valley glaciers in the Alps。 在平坦的平原上,他看到了冰碛石,这让他想起在阿尔卑斯山山谷的冰河尽头发现的终碛。
float[flout]v。(使)漂浮,(使)浮动,(使)飘动
例句 1。 Spores light enough to float on the breezes were carried thousands of miles and traveled across the bare mountain flanks。 足够轻的孢子可以