| 词汇 |
物种 |
| 分类 |
英语词汇 英汉例句词典 |
| 释义 |
Evolution depends absolutely on the survival and reproduction of the species.进化完全依赖于物种的生存和繁殖。Illegal hunting is threatening the survival of the species.非法狩猎正威胁到物种的生存。Many species of animal are in imminent danger of extinction.许多动物物种正濒临灭绝的危险。Scientists announced the discovery of a new species of plant.科学家们宣布发现了一个新的植物物种。Some species exist in this small area of forest and nowhere else on earth.一些物种仅存于这一小片森林中,地球上其他地方都没有。Several new species of plants have recently been discovered.最近发现了几种新的植物物种。Exactly how and when these plant species came to the Great Plains is not certain.这些植物物种到底是何时以何种方式进入美国大平原的还不确定。The valley contains fossils of many extinct species.这个山谷里有许多已经灭绝的物种的化石。The disease can spread from one mammalian species to another.这种疾病能够在不同的哺乳类物种之间传播。Climate changes threaten the continued existence of the species.气候变化对这些物种的继续生存构成了威胁。Another few years and this species could be wiped off the face of the earth.再过几年,这一物种就可能会从地球上彻底消失。These two species share a common set of characteristics.这两个物种有一组共同特征。The species is in peril of dying out.这种物种濒临灭绝。The two species share a common ancestor.这两个物种有一个共同的祖先。This species is not known to be vicious.据说这一物种并不凶猛。A wide variety of animal and plant species are endemic to this area.很多种类的动植物是这一地区特有的物种。The species is named for its discoverer.这一物种是以其发现者的名字命名的。Some of these species have flourished, whereas others have struggled.这些物种有的生机勃勃,而另一些却生存艰难。The rhinoceros is one of the world's oldest surviving species.犀牛是世界上幸存的最古老的物种之一。The species was presumed extinct.这一物种据推定已绝种。These species have now almost died out.这些物种目前几乎已灭绝。Many species have been severely depleted.许多物种的数量已经在急剧减少。They are working to ensure the continued survival of this species.他们正致力于确保这个物种能继续存活下去。In the ecology laboratory, communities of species can be studied experimentally under controlled conditions.在生态实验室,能够对物种群落在受控环境中进行实验研究。Many species have been wiped out through sublime ignorance.许多物种由于人们的极端无知而灭绝了。A number of species could soon disappear forever.许多物种可能在短期内灭绝。The male of this species assists the female in feeding the young.这一物种的雄性帮助雌性一起喂养幼崽。The total number of species on the planet appears to be growing by leaps and bounds.地球上物种的总数似乎在激增。The species is nearing virtual extinction. 这一物种几近绝迹。A narrow and elongate snout distinguishes it from other genera.窄而细长的口鼻部使之与其他属的物种区别开来。One of the characteristics of this species is the dark blue markings on its back.这一物种的特征之一是其背部的深蓝色斑点。The breed was on the verge of extinction.这一物种濒临灭绝。At first it seemed the attempt to save the species was a lost cause.起初拯救那一物种的尝试似乎是注定不会成功的。Some native species are being crowded out by exotics.一些本土物种正受到外来物种的排挤。The species was doomed to extinction.这一物种注定要灭绝。Many species have close similarities with one another.许多物种彼此间非常相似。The various species differ mainly in size and abundance.各种物种主要在规模和数量上有所不同。Thrushes are a protected species so you will not find them on any menu.鸫鸟是受保护的物种,在菜谱上是找不到的。Two more species have been added to the endangered list. 另外两个物种已被列入濒危动植物名单。Since the birds interbreed they cannot be classed as different species.由于这些鸟进行杂交繁殖,不能把它们归为不同的物种。 |
| 随便看 |
- reciprocal reaction
- reciprocal rearrangement
- reciprocal recognition of negotiable instruments
- reciprocal recombination
- reciprocal recurrent selection
- reciprocal reference
- reciprocal reinsurance
- reciprocal relation
- Reciprocal relationship
- reciprocal relative
- reciprocal relative dispersion
- reciprocal replacement
- reciprocal representation
- reciprocal responsibility
- reciprocal rhythm
- reciprocal rhythm, reentrant rhythm
- reciprocal role
- Reciprocal rule
- reciprocal sale
- reciprocal sales
- reciprocal salt pair
- reciprocal saw
- reciprocal sec
- Reciprocal second
- reciprocal selection
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