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ne the benefit of begging nestlings derive from their munications。 鉴于捕食者将使雏鸟乞求食物的鸣叫付出巨大代价,不难想象雏鸟从它们的通信方式中得到了哪些益处。
2。 The subject of a sculpture might be derived from classical stories。 雕塑的主题可能源自古典故事。
同义 originate(v。 起源)
destroy[di'str?i]v。 破坏,毁灭;杀死
例句 1。 Deer populations near the fort had been destroyed。 靠近要塞的鹿群都被杀死了。
2。 Farmlands dominated by a single crop are unstable and bad weather or the invasion of a single pest can destroy the entire crop。 只种植一种作物的农田是不稳定的,恶劣的天气或某一种害虫的侵袭就能毁掉田里的全部作物。
同义 undermine(v。 破坏)
deterioration[di?tiri?'rei?n]n。 恶化;堕落
例句 The gradual drying of the soil caused by its diminished ability to absorb water leads to the further loss of vegetation; thus a cycle of surface deterioration is established。 由吸水能力减弱而引起的土地逐渐干涸导致植被进一步消失,这样便建立了一个土地表面恶化的循环。
派生 deteriorator(n。 堕落者)
detractor[di'tr?kt?r]n。 批评者;诽谤者
例句 Detractors argue that the terraces may be related to geological forces in the Northern Hemisphere of Mars; instead of the Martian water in the south。 批评者认为这些阶地或许和火星北半球的地质作用力有关,而不是火星南部的水。
同义 slanderer(n。 诽谤者)
devastate['dev?steit]v。 破坏,毁坏;令人震惊
例句 Countless houses were devastated by the flood。 洪水破坏了无数的房屋。
deviate['di:vieit]v。 偏离,脱离;越轨
例句 Should the use of rewards fail; members can win through rejecting or threatening those who deviate from the primary group's norms。 如果奖励措施失败了,成员能通过拒绝或者威胁那些违反基本群体规范的人们来取得胜利。
同义 diverge(v。 偏离)
disastrous[di'z?str?s]a。 灾难性的,造成灾害的;损失惨重的
例句 In the disastrous war; many people lost their homes and families。 在这场灾难性的战争中,很多人失去了家园和亲人。
discriminate[di'skrimineit]v。 区别;歧视
搭配 discriminate between 区别;discriminate against 歧视
例句 1。 The result of the experiment provides the researcher wi
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