第34部分(第3/6 页)
2。 The biologist who lived longtime in the Pacific Northwest discovered areas where deer had an increase in suitable browse。 那位长期居住在太平洋西北部的生物学家发现,在有适合的牧草的地区,鹿的数量有所增加。
disoriented[dis'?:rientid]a。 分不清方向或目标的;无判断力的
例句 1。 He hypothesized that birds orient themselves according to the Sun's position as caged birds bee disoriented when the sky is overcast。 他认为鸟类是根据太阳的位置来定位的,因为阴云密布的时候笼中的鸟无法分清方向。
2。 The birds were disoriented and had trouble locating their food box on overcast days。 阴天,鸟类会失去方向感,在找到它们的食盒时也有困难。
要点 disoriented是disorient的过去分词,在托福阅读中比较常用,而动词disorient是“使失去方向感”的含义。
distribute[di'stribju:t]v。 分配;分类;分区
例句 The wind helps the flowers distribute their seeds and enables birds to find more food。 风不仅能帮助花儿传播种子,而且也让鸟儿有了更多的食物。
同义 scatter; spread(v。 散布)
disturbance[di'st?:rb?ns]n。 打扰;骚动;心神不安
例句 1。 They calmed down quickly after disturbances。 骚动之后,他们很快就恢复了平静。
2。 In the early twentieth century; the American ecologist pointed out that plant munities would develop after a disturbance such as volcanic eruption; heavy flood; or forest fire。 在20世纪早期,美国生态学家指出在诸如火山喷发、洪灾或森林火灾之类的干扰发生之后,植物群落会得以发展。
3。 Stability can be defined as the speed at which an ecosystem returns to a particular form following a major disturbance。 稳定性可定义为当一个生态系统经历巨大骚乱后,恢复到特定形式的速度。
同义 interference(n。 打扰);stir(n。 骚动)
divide[di'vaid]v。 分,分隔;分配 n。 分开;界限
搭配 divide into 把…分成;digital divide 数字鸿沟;divide the work 分工;divide by 除以,用…除;divide up 瓜分;分割;分配
例句 The substances that make up two groups of planets are divided into three groups: gases; rocks; and ices based on their melting points。 组成这两组行星的物质根据它们的熔点被划分成为三种:分别是气体、岩石和冰。
division[di'vi?n]n。 除;分配;部门
例句 1。 The international division of labor was well…suited t
本章未完,点击下一页继续。