... extinct species 灭绝物种 ; 已灭绝生物品种 ; 绝灭种 ; 灭绝的物种 Extinct volcanoes 死火山 extinct book 绝版书 ...
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an extinct species 已灭绝的物种
Rescue extinct species 拯救灭绝的物种
Gallery of extinct species 灭绝物种的画廊
species extinct 物种灭绝
Boundary clay layers are used by scientists to determine the rate at which an extinct species declined.
边界粘土层被科学家用来确定一个灭绝物种衰落的速度。
An extinct species or race of human beings, Homo neanderthalensis, associated with Middle Paleolithic tools.
作为已灭绝物种或人类种族,尼安德特人与旧石器时代中期的工具有关。
A technology used to develop new medical treatments might one day revive endangered or extinct species.
科学技术常常能带来新的医学疗法,有一天这些新疗法可能会拯救濒危物种,甚至重现灭绝的物种。
Until two years ago, the Red List of Threatened Species of the World Conservation Union said Przewalski's horses were extinct in the wild.
VOA: special.2010.06.22
"A citizen scientist outside Peoria actually sent in a photograph of a species of bumblebee, the rusty patched bumblebee,bombus affinis, that was thought to have gone extinct in that area, and was recovered by a private citizen with a digital camera."
VOA: special.2011.05.24
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