雅思快速定位法——段落+词汇_雅思英语经验技巧

雅思快速定位法——段落+词汇

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　　Some of the senses that we and other terrestrial mammals take for granted are either reduced or absent in cetaceans for fail to function well in water. For example, it appears from their brain structure that toothed species are unable to smell. Baleen species, on the other hand, appear to have some related brain structures but it is not known whether these are functional. It has been speculated that, as the blowholes evolved and migrated to the top of the head, the neural pathways serving sense of smell may have been nearly all sacrificed. Similarly, although at least some cetaceans have taste buds, the nerves serving these have degenerated or are rudimentary.

　　从首句的主干中得出一些感官在退化，消失或者在水中已失去了功用。紧跟在这句话后面的是个for example, 说明后面再举些这类型的感官。最后一句以similarly开头，说明即使最后一句也是一个例子，然后是个名词taste buds, 说到了味觉，用了degenerated, rudimentary描述这个味觉，rudimentary大多数考生不认识，但degenerated可以根据构词法推出是退化。

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　　The sense of touch has sometimes been described as weak too, but this view is probably mistaken. Trainers of captive dolphins and small whales often remark on their animals responsiveness to being touched or rubbed, and both captive and free-ranging cetacean individuals of all species appear to make frequent contact. This contact may help to maintain order within a group, and stroking or touching are part of the courtship ritual in most species. The area around the blowhole is also particularly sensitive and captive animals often object strongly to being touched there.