常見例句雙語例句The IUCN red list identifies polar bears as a vulnerable species, citing global climate change as a "substantial threat" to their habitat.世界自然保護聯(lián)盟紅色名錄已經(jīng)將北極熊確定為漸危物種之一,將全球氣候變化定義為影響北極熊棲息地改變的“潛在殺手”。Earth is experiencing its "sixth great extinction event" with disease and human activity taking a devastating toll on vulnerable species, according to a major review by conservationists.根據(jù)自然資源保護者的重要回顧報告,地球正經(jīng)歷“第六次大滅絕事件”,因為疾病和人類活動正在令脆弱的物種遭受到災難性打擊。They were declared a vulnerable species in 2006 when the population was estimated to be between 125, 000 to 150, 000, a decline of 7% in 10 years.他們宣稱這個脆弱物種的數(shù)量在2006年時估計在125000——150000只之間,十年內(nèi)下降了百分之七。權威例句Polar bears live along the Arctic Circle and are considered a vulnerable species by the International Union for Conservation of Nature in Switzerland.FORBES: Russian Police Kill Three Polar Bears Following Deadly Attack"That's why it's such a vulnerable species, " Lopez said.NPR: Alarm Over Vanishing Frogs In The Caribbean 返回 vulnerable species