义项分布 · 点义项筛选原句
n. （动物）象13 次
“Elephants never forget” — or so they say — and that piece of folklore seems to have some foundation.
“大象从不忘事”——人们是这么说的——而这句民间说法似乎有一定的依据。
The African savanna elephant, also known as the African bush elephant, is distributed across 37 African countries.
非洲草原象，又称非洲灌丛象，分布在37个非洲国家。
The African savanna elephant, also known as the African bush elephant, is distributed across 37 African countries.
非洲草原象，又称非洲灌丛象，分布在37个非洲国家。
(46) They sometimes travel more than sixty miles to find food or water, and are very good at working out where other elephants are — even when they are out of sight.
（46）它们有时会跋涉六十多英里去寻找食物或水源，而且非常善于判断其他大象的位置——即使在看不见对方的时候也是如此。
(47) The researchers are convinced that the elephants always know precisely where they are in relation to all the resources they need, and can therefore take shortcuts, as well as following familiar routes.
（47）研究人员确信，大象总是能准确地知道自己相对于所需各种资源的位置，因此除了沿着熟悉的路线行走之外，还能抄近路。
Although the cues used by African elephants for long-distance navigation are not yet understood, smell may well play a part.
虽然非洲象用于远距离导航的线索尚不清楚，但嗅觉很可能在其中发挥了作用。
展开其余 7 条收起
Elephants are very choosy eaters, but until recently little was known about how they selected their food.
大象对食物非常挑剔，但直到最近，人们对它们如何选择食物还知之甚少。
New research suggests that smell is a crucial factor in guiding elephants — and probably other herbivores — to the best food resources.
新的研究表明，嗅觉是引导大象——很可能还有其他食草动物——找到最佳食物资源的关键因素。
The researchers first established what kinds of plant the elephants preferred either to eat or avoid when foraging freely.
研究人员首先确定了大象在自由觅食时喜欢吃或会避开哪些种类的植物。
They then set up a “food station” experiment, in which they gave the elephants a series of choices based only on smell.
然后他们设置了一个“食物站”实验，让大象仅凭嗅觉做出一系列选择。
(50) The experiment showed that elephants may well use smell to identify patches of trees that are good to eat, and secondly to assess the quality of the trees within each patch.
（50）实验表明，大象很可能利用嗅觉来识别适合取食的树丛，其次还用嗅觉来评估每片树丛中树木的质量。
Free-ranging elephants presumably also use this information to locate their preferred food.
据推测，自由放养的大象也会利用这些信息来找到自己喜欢的食物。
Their well-developed hippocampal structures may enable elephants, like rats and people, to construct cognitive maps.
大象发达的海马体结构或许能让它们像老鼠和人类一样构建认知地图。