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Socotra Island’s Unique Flora
也门索科特拉岛独特植被
精读先不看文字，完整听一遍。
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Socotra Island lies 380 kilometers off Yemen’s southern coast, isolated for over 20 million years by deep ocean currents and arid winds.索科特拉岛位于也门南部海岸以东380公里处，因深海洋流和干燥季风隔离了逾2000万年。
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This long separation allowed plants to evolve unusual forms unseen anywhere else—like the dragon’s blood tree with its umbrella-shaped crown.漫长的隔绝使植物演化出全球独一无二的奇特形态，例如伞状树冠的龙血树。
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Its thick, waxy leaves minimize water loss, while latex sap turns red when exposed to air, possibly deterring insects.其厚而蜡质的叶片可减少水分流失，乳胶状树液遇空气变红，可能用以驱虫。
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Over one-third of Socotra’s 825 plant species are endemic, including the cucumber tree and desert rose with swollen water-storing stems.索科特拉岛825种植物中，超三分之一为特有物种，包括黄瓜树和茎干膨大、可储水的沙漠玫瑰。
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Seasonal fog from the Arabian Sea provides critical moisture, letting succulents thrive despite less than 150 mm annual rainfall.阿拉伯海季节性雾气提供关键水分，使多肉植物得以在年降雨量不足150毫米的环境中繁茂生长。
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Goats introduced centuries ago now threaten rare shrubs by overgrazing seedlings before they mature.数百年前引入的山羊过度啃食幼苗，威胁着稀有灌木的存续。
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Botanists collaborate with local herders to identify and fence off key regeneration zones using traditional stone walls.植物学家与当地牧民合作，利用传统石墙识别并围护关键再生区域。
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UNESCO declared Socotra a World Heritage site in 2008, recognizing it as a ‘living museum of evolution’.联合国教科文组织于2008年将索科特拉列为世界遗产，称其为‘演化的活体博物馆’。
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Climate models predict drier conditions by 2050, which may shrink fog frequency and stress already vulnerable endemics.气候模型预测，到2050年该地将更加干旱，雾频可能降低，已脆弱的特有物种将面临更大压力。
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Each endemic plant tells a story—not just of adaptation, but of resilience shaped by solitude and scarcity.每一种特有植物都在讲述一个故事——不仅是适应的故事，更是由孤绝与匮乏塑造的韧性故事。
精读 · 大约 10 分钟
听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。
③ 学 · 重点表达
- Goats introduced centuries ago now threaten rare shrubs by overgrazing seedlings before they mature. 数百年前引入的山羊过度啃食幼苗，威胁着稀有灌木的存续。
- Socotra Island lies 380 kilometers off Yemen’s southern coast, isolated for over 20 million years by deep ocean currents and arid winds. 索科特拉岛位于也门南部海岸以东380公里处，因深海洋流和干燥季风隔离了逾2000万年。
- This long separation allowed plants to evolve unusual forms unseen anywhere else—like the dragon’s blood tree with its umbrella-shaped crown. 漫长的隔绝使植物演化出全球独一无二的奇特形态，例如伞状树冠的龙血树。
④ 懂 · 选一选
⑤ 今天会说这一句
Goats introduced centuries ago now threaten rare shrubs by overgrazing seedlings before they mature.
⑥ 跟读并录音
Goats introduced centuries ago now threaten rare shrubs by overgrazing seedlings before they mature.
第一版：录下来、回听、再听标准音。系统打分以后再加。
⑦ 说 · 自己来一句
用今天的表达，自己说一句。
例子：Goats introduced centuries ago now threaten rare shrubs by overgrazing seedlings before they mature.
已记下。连续天数以后会显示在课表里。
陈老师指导
课程开发中，敬请期待。成人和孩子都可以先自学听读、精读。
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课程开发中，敬请期待。