
人教版高中英语选修4 Unit3 Sea Exploration 核心词汇语境记忆 1. Sea exploration involves investigating the ocean to gain knowledge about marine environments, resources, and history. 海洋探索涉及对海洋进行调查,以获取有关海洋环境、资源和历史的知识。 重点词汇/短语: sea exploration 海洋探索;investigate the ocean 调查海洋;marine environment 海洋环境;gain knowledge 获取知识;resources 资源 2. Early navigators relied on the stars, sun, and primitive charts to traverse vast and unknown oceans. 早期的航海家依靠星星、太阳和原始的图表来穿越广阔而未知的海洋。 重点词汇/短语: navigator 航海家/导航员;rely on 依靠;traverse the ocean 穿越海洋;vast and unknown 广阔而未知的;primitive charts 原始图表 3. The voyage of Zheng He's treasure fleet in the 15th century was a remarkable feat of ancient Chinese maritime exploration. 郑和宝船队在15世纪的航行是中国古代海洋探索的一项非凡壮举。 重点词汇/短语: voyage 航行/航程;treasure fleet 宝船队;remarkable feat 非凡壮举;ancient Chinese maritime exploration 中国古代海洋探索;15th century 15世纪 4. Ferdinand Magellan's expedition achieved the first recorded circumnavigation of the Earth, proving it was round. 费迪南德·麦哲伦的探险队完成了有记载的首次环球航行,证明了地球是圆的。 重点词汇/短语: expedition 探险队;achieve circumnavigation 完成环球航行;first recorded 首次有记载的;prove 证明;round 圆的 5. Marine biologists study ocean life, from microscopic plankton to giant whales, to understand ecosystems. 海洋生物学家研究海洋生物,从微小的浮游生物到巨大的鲸鱼,以理解生态系统。 重点词汇/短语: marine biologist 海洋生物学家;study ocean life 研究海洋生物;microscopic plankton 微小的浮游生物;giant whale 巨大的鲸鱼;ecosystem 生态系统 6. Ocean currents, like the Gulf Stream, are powerful movements of seawater that influence global climate. 像墨西哥湾流这样的洋流是海水的强大运动,影响着全球气候。 重点词汇/短语: ocean current 洋流;Gulf Stream 墨西哥湾流;powerful movement 强大的运动;seawater 海水;influence global climate 影响全球气候 7. The discovery of the Mariana Trench, the deepest point in the ocean, revealed extreme environments on Earth. 马里亚纳海沟———海洋最深点的发现,揭示了地球上的极端环境。 重点词汇/短语: Mariana Trench 马里亚纳海沟;deepest point 最深点;discovery 发现;reveal 揭示;extreme environment 极端环境 8. Submersibles and ROVs allow scientists to descend to great depths and explore the seafloor firsthand. 潜水器和遥控水下航行器使科学家能够下潜到极深之处并亲自探索海底。 重点词汇/短语: submersible 潜水器;ROV (Remotely Operated Vehicle) 遥控水下航行器;descend to great depths 下潜到极深之处;explore the seafloor 探索海底;firsthand 亲自地 9. Sonar technology uses sound waves to map the seabed and locate objects underwater. 声纳技术利用声波绘制海底地图并定位水下物体。 重点词汇/短语: sonar technology 声纳技术;use sound waves 利用声波;map the seabed 绘制海底地图;locate objects 定位物体;underwater 水下的 10. Coral reefs are biodiverse marine ecosystems often called the "rainforests of the se ... ...
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