查尔斯达尔文在读过查尔斯 ·莱尔的《地质学原理》之后，草草地在书的最后一页写道：“如果这是真的，愿理论一路走好。”
When Charles Darwin was done reading Charles Lyell's Principles of Geology, he scribbled on the last page, "if this were true[,] adios theory.
这些著作都是从进化论开始，但是在达尔文诞辰两百周年的时候，道金斯在他的著作中举出证据弥补了进化论一些空缺：进化论的原理的确是事实，在科学界不容争议的事实。
But in the bicentennial year of Darwin's birth Mr Dawkins fills a gap in his oeuvre by setting out the evidence that the “theory” of evolution is a fact—“as incontrovertible a fact as any in science”.
这个现象是查尔斯·达尔文在1876年首次观察到的，尽管没有破解其工作原理的谜团。
It was first observed by Charles Darwin in 1876, though how it works has remained a mystery.
它也说明了一个基本的生态学原理：自从达尔文时代以来，科学家们已经注意到，岛屿常常是过大兽类和微型兽类的家园。
It also illustrates a fundamental ecological principle: Since Darwin's days, scientists have noticed that islands often are home to both oversized and miniaturized beasts.
达尔文把这个称为性状趋异原理。
达尔文把这个称为性状趋异原理。
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