(单词翻译:单击)
听力文本
The world's tallest land mammal is slowly dying off — but you may not have realized it.
世界上最高的陆地哺乳动物正在慢慢地消失，但你可能没有意识到。
Giraffes have been marked "vulnerable" on the International Union for Conservation of Nature "Red List," which tracks species threatened with extinction.
国际自然保护联盟红色名录已经将长颈鹿标记为“易危物种”，邻近濒临灭绝物种。
Giraffe numbers have dropped up to 40 percent in the past 30 years. There were more than 150,000 giraffes in 1985. That number sat around 97,000 in 2015.
长颈鹿的数量在过去的30年中下降了百分之40。1985年有超过150,000只长颈鹿，2015年有97,000只左右。
The IUCN says illegal hunting and habitat loss from humans caused the drop.
IUCN表示，人类非法狩猎和栖息地的丧失是导致下降的原因。
The lanky animals have gone somewhat under the radar over the past few decades — mainly because scientists focused more on rhino and elephant extinction.
长颈鹿在过去几十年里不引人注目地消失，主要因为科学家更多的关注犀牛和大象的灭绝。
Poaching has decimated those populations. The black rhino population alone is down almost 98 percent since 1960.
偷猎已经摧毁了这些族群。自1960年以来，仅黑犀牛种群数量就下降了近百分之98。
And African elephant numbers dropped 30 percent from 2007 to 2014.
从2007年到2014年，非洲大象数量下降了百分之30。
As for giraffes, the IUCN calls the current population loss a "devastating decline."
至于长颈鹿，IUCN称当前的种群损失是“破坏性的下降。”
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词汇解析
1、threaten
威胁;恐吓
He said army officers had threatened to destroy the town.
他说陆军军官们曾威胁要摧毁那座小镇。
He tied her up and threatened her with a six-inch knife.
他把她捆起来，拿着一把 6 英寸长的刀子威胁她。
(坏事)可能发生，将要发生
The fighting is threatening to turn into full-scale war.
这场战斗有可能会演变为全面的战争。
Plants must be covered with a leaf-mould or similarly protected if frost threatens.
如果霜冻来临，植物必须盖上腐叶土或用类似方法加以保护。
2、track
小道;小径
We set off once more, over a rough mountain track.
我们沿着一条崎岖的山间小路再度出发。
足迹;踪迹
The only evidence of pandas was their tracks in the snow.
熊猫活动的唯一迹象是它们留在雪地上的足迹。
McKee suddenly noticed tire tracks on the bank ahead.
麦基突然注意到前方岸边的轮胎痕迹。
(以卫星、雷达等)追踪…的动向
Our radar began tracking the jets.
我们的雷达开始追踪喷气式飞机的动向。
Forecasters are also tracking hurricane Josephine.
气象预报员也在追踪飓风“约瑟芬”的动向。
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