... 臭氧洞ozone layer hole 高度濒危highly endangered 圈养繁殖/人工繁殖captive breeding ...
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highly endangered species 高度濒危物种
highly endangered population 高危人群
·2,447,543篇论文数据,部分数据来源于NoteExpress
14 percent of primate species are highly endangered.
14%的灵长类物种处于高度濒危状态。
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14 per cent of primate species are highly endangered.
But the country's enigmatic, difficult to spot and little known species are also highly endangered.
但是,这个国家神秘的、罕见的和鲜为人知的物种也受到了威胁。
"What makes it so rare is that it is highly endangered in the wild, in Sumatra, and it is so hard to get to bloom in cultivation."
VOA: standard.2010.07.30
But through the cooperation of local farmers, vineyard owners and conservationists, Valais is becoming a sanctuary for these highly endangered insects.
BBC: Switzerland��s valley of butterflies
Both she and Ryder say that there is no international policy calling for cloning and preservation of highly endangered species.
MSN: Should we have cloned rare tortoise Lonesome George?
Leatherback turtles are a highly endangered species.
BBC: New law to protect Puerto Rico leatherback turtles
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