自然

旁白 neutral

Human activities continue to pose significant threats to the balance of nature

人类活动持续对自然平衡构成重大威胁。

旁白 neutral

Heavy snowfall triggered an avalanche that buried part of the mountain trail

大雪引发雪崩，掩埋了部分山路。

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In a mirage , the desert will mimic a lake

在海市蜃楼中，沙漠会幻化出湖泊。

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Newborn babies have an innate ability to recognize their mother's voice

新生儿具有识别母亲声音的先天能力。

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The train journey offers scenic views of snow-capped mountains and lush valleys

火车旅行提供雪山和葱郁山谷的优美风景。

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The annual migration of wildebeests is a natural spectacle that attracts wildlife photographers

角马的年度迁徙是吸引野生动物摄影师的自然奇观。

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The Amazon jungle is home to millions of plant and animal species

亚马逊丛林是数百万动植物物种的家园。

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Small shrubs grow alongside the river , providing shelter for birds and insects

小河边长着小灌木，为鸟类和昆虫提供庇护所。

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The river carved a deep gorge through the rocky landscape over millions of years

这条河历经数百万年在岩石地貌中冲刷出深峡。

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The Grand Canyon is a massive geological formation admired by visitors worldwide

科罗拉多大峡谷是令全球游客赞叹的巨大地质构造。

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Tibet's plateau is known as the " Roof of the World " due to its high altitude

西藏高原因其海拔高而被称为 “世界屋脊”。

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The scenery in the countryside changes dramatically with the seasons

乡村的景色随季节变化显著。

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The artist captured the rugged coastal landscape in vibrant oil paints

艺术家用鲜明的油画颜料描绘了崎岖的海岸风光。

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From the mountain top , we enjoyed a breathtaking panorama of the entire valley

从山顶上，我们欣赏到整个山谷令人惊叹的全景。

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The vast grassland plain stretched out as far as the eye could see

广阔的草原平原一望无际。

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The Arctic tundra supports unique plant and animal species adapted to cold climates

北极苔原生存着适应寒冷气候的独特动植物物种。

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Only a small portion of an iceberg is visible above the water's surface

冰山只有一小部分露出水面。

旁白 neutral

Climbing the steep mountain required both physical strength and mental endurance

攀登这座陡峭的山需要体力和耐力。

旁白 neutral

Glaciers around the world are shrinking due to global warming

由于全球变暖，世界各地的冰川正在缩小。

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Scientists study deglaciation to understand its impact on sea level rise

科学家研究冰川消失以了解其对海平面上升的影响。

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The village is nestled in a valley surrounded by towering hills

村庄坐落在群山环绕的山谷中。

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Reaching the mountain peak at dawn allowed us to witness a stunning sunrise

黎明时分抵达山顶，我们目睹了壮丽的日出。

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The Himalayan range includes some of the tallest mountains on Earth

喜马拉雅山脉包括地球上一些最高的山峰。

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The storm caused severe erosion along the coastal regions

暴风雨导致沿海地区严重侵蚀。

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At high altitudes , the air is thinner and breathing becomes more difficult

在高海拔地区，空气更稀薄，呼吸变得更困难。

旁白 neutral

Pollution in the watercourse has affected the local ecosystem's health

水道污染已影响当地生态系统的健康。

旁白 neutral

Estuaries are vital ecosystems where freshwater meets saltwater

河口是淡水与咸水交汇的重要生态系统。