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- A flock's worth of other feathered fossil species, some more avian and some less, has also been found. 其他的带羽毛化石物种也发现了不少,有的看来更像鸟,有的不太像。
- He found a piece of fossil of an ancient bird. 他发现一块古代鸟类的化石。
- This fossil may be over 2 million years old. 这化石可能超过二百万年了。
- Can you date the fossil exactly? 你能确定这化石的确切年代吗?
- Do wolves belong to the canine species? 狼是犬科动物吗?
- We should do our best to save endangered species. 我们应该竭尽全力挽救濒于灭绝的生物。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- He was wearing a strange species of hat. 他戴着一种奇怪的帽子。
- Isn't Professor Bell an old fossil? 贝尔教授真是个老顽固。
- A microscopic fossil, as of a pollen grain or unicellular organism. 微体化石一种微小的化石,如花粉粒或单细胞有机体的化石
- There are many species of chrysanthemum. 菊花品种很多。
- Today the survival of our species is threatened. 今天人类的生存受到了威胁。
- If we squander our fossil fuels, we threaten civilization. 如果我们浪费矿物燃料,我们就威胁文明。
- The giant panda has become an endangered species. 大熊猫已成了一种濒临灭绝的动物。
- Unlike most other bats, this species is diurnal. 这种蝙蝠与大多数蝙蝠不同,是在日间活动的。
- The gossip tossed the mossy blossom fossil. 爱讲闲话者向上抛长满苔藓的花化石。
- This species of flower flourishes in a warm climate. 这种花在温暖的气候中长得茂盛。
- A finite list of choices; our finite fossil fuel reserves. 为数有限的选择; 我们有限的矿物燃料贮量
- The solid matter in which a fossil or crystal is embedded. 基质,脉石嵌有化石或水晶的固体物质
- An endangered species; an endangered culture. 濒临绝种的生物种类; 濒临绝传的文化