Conservationists said that with none in zoos and almost nothing known about how to keep them in captivity, if the species vanish in the wild they will be extinct.
环保人士表示，动物园没有一头武广牛，也没有一个人知道如何将它们圈养。如果这一物种在野外消失，便意味着它们从此灭绝。
Bangladeshi conservationists said this week that the discovery of the rare leopard, captured by villagers, renewed hopes for the survival of the critically endangered species.
兰格·马蒂的环保主义者称本周由村民们抓到的这只珍稀云豹，使人们重新看到了这个极度濒危物种继续存活的希望。
At the same time, prominent researchers said conservationists cannot afford to shortchange large and regional protections at the expense of focusing on targeted species.
与此同时，优秀的研究者指出，环保主义者不能因为负担不起大型区域性保护的费用，就牺牲掉目标物种的集中保护。
A new monkey species in Myanmar is so snub-nosed that rainfall is said to makes it sneeze—but that's apparently the least of its problems, conservationists announced in October.
每当下雨时，这种鼻型过于“仰面朝天”的猴类就会被雨滴惹得喷嚏连连。然而这恐怕是这种处境堪忧的缅甸猴类最不值一提的困扰了。
Conservationists are overestimating the number of species that have been driven to extinction, scientists have said.
科学家称，环保人士对灭绝物种的数量估计过高。
Armstrong dismissed fears by conservationists that the meat was unsafe and said every butchered portion would be inspected.
自然生态保育者说这种肉不卫生，但阿姆斯壮排除了这种疑虑，并且说每块切下来的肉都会受到检验。
Armstrong dismissed fears by conservationists that the meat was unsafe and said every butchered portion would be inspected.
自然生态保育者说这种肉不卫生，但阿姆斯壮排除了这种疑虑，并且说每块切下来的肉都会受到检验。
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