savanna
含义: A tropical or subtropical grassland with scattered trees, found in regions with distinct wet and dry seasons, particularly in Africa, South America, and Australia.
Savannas cover approximately a fifth of the Earth's land surface and are among the most biodiverse terrestrial ecosystems. The African savanna is famous for its large mammals — elephants, lions, zebras, and wildebeest — and their spectacular seasonal migrations. Savannas are maintained by the interaction of fire, grazing, and seasonal drought, which prevent the establishment of dense forest. The spelling 'savannah' (with an 'h') is also common.
例句
- The African savanna supports vast herds of wildebeest that migrate annually in search of fresh grazing. 非洲稀树草原养育着大量的角马群,它们每年迁徙寻找新鲜的牧草。La sabana africana sustenta inmensos rebaños de ñus que migran anualmente en busca de pastos frescos.アフリカのサバンナは、毎年新鮮な牧草を求めて移動する膨大な数のヌーの群れを支えています。아프리카 사바나는 매년 신선한 풀을 찾아 이동하는 방대한 누 떼를 지탱하고 있습니다.
- Controlled burning of the savanna is a traditional land management technique used by indigenous communities. 有控制地焚烧稀树草原是原住民社区使用的一种传统土地管理技术。La quema controlada de la sabana es una técnica tradicional de gestión del territorio empleada por las comunidades indígenas.サバンナの計画的な野焼きは、先住民コミュニティが用いる伝統的な土地管理技術です。사바나의 계획적인 들불 놓기는 원주민 공동체가 사용하는 전통적인 토지 관리 기법입니다.
- Climate change threatens to alter the delicate balance of rainfall and fire that maintains savanna ecosystems. 气候变化正威胁着维持稀树草原生态系统的降雨和火烧之间的微妙平衡。El cambio climático amenaza con alterar el delicado equilibrio de lluvias e incendios que mantiene los ecosistemas de sabana.気候変動は、サバンナの生態系を維持する降水と火災の繊細なバランスを変えてしまう恐れがあります。기후변화는 사바나 생태계를 유지하는 강수와 화재의 섬세한 균형을 바꿔놓을 위험이 있습니다.
发音
用法指南
语境: academic, media
语气: neutral
起源与历史
From Spanish sabana, from Taino (an indigenous Caribbean language) zabana (treeless plain). Entered English in the 16th century through Spanish colonial accounts of the Americas.
文化背景
Era: Modern
Generation: All ages
Social background: Universal
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