考研英语长难句分析每日一句(长难句100句分析)
长难句分析|每日一句
The possibility that mass extinctions may recur periodically has given rise to such hypotheses as that of a companion star with a long-period orbit deflecting other bodies from their normal orbits, making some of them fall to Earth as meteors and causing widespread devastation upon impact.
先找生词。possibility 可能性;mass 大批量的;
extinctions 灭绝;recur 再发生;
periodically 周期性地;hypotheses 假说;companion 同伴;long-period 长周期的;
orbit 轨道;deflecting 脱离;
meteors 流星;causing 导致;
widespread 广泛的;devastation 破坏;
再找主干。本句是主从复合句。the possibility+同位语从句+状语部分。
同位语从句:
that(先行词,不做成分) mass extinctions(主语) may recur(谓语) periodically(状语),大灭绝周期性地发生;
The possibility(主语) has given rise(谓语) to such hypotheses(宾语) as that of a companion star with a long-period orbit deflecting other bodies from their normal orbits(做hypothesis的同位语),这种可能性引起了这样的假说:一颗有着长周期轨道的伴星使得其他天体脱离了正常轨道;
(动名词做状语,表示伴随状态)making some of them fall to Earth as meteors and causing widespread devastation upon impact.像流星一样地落到地球上从而导致了大面积的破坏影响;
句子翻译。大灭绝周期性地发生——这种可能性引起了这样的假说:一颗有着长周期轨道的伴星使得其他天体脱离了正常轨道,像流星一样地落到地球上从而导致了大面积的破坏影响。
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