(课件网) Unit 7 The natural world 八年级 译林版2024 上 单词解析一 1.coral (名词) 珊瑚 [用法讲解]coral常为不可数名词，但在表示“单个珊瑚虫、珊瑚制品”时为可数名词，其复数形式为corals;coral还可为形容词，译为“珊瑚色的”。 Eg: The ocean floor is covered with colourful coral.海底布满彩色珊瑚。 She wore a coral dress to the party. 她穿着珊瑚色连衣裙参加派对。 [常见搭配]coral reef珊瑚礁 Eg: Pollution harms coral reefs every year. 污染每年都危害珊瑚。 [即学即用] We must protect the _____(珊瑚) in the ocean. coral 2.reef (名词) 礁 [用法讲解] reef常为可数名词，其复数形式为reefs;reef还可为动词，译为“缩帆、收拢”。 Eg: The boat hit a reef and sank. 船撞上暗礁沉没了。 The captain reefed the sails to slow down the ship. 船长收起部分船帆以减低船速。 [常见搭配]Great Barrier Reef大堡礁 Eg: Australia's Great Barrier Reef is famous worldwide. 澳大利亚大堡礁闻名全球。 [即学即用] Divers explored the vibrant coral r_____. eef 3.penguin (名词)企鹅 [用法讲解]penguin为可数名词，其复数形式为penguins。 Eg: Penguins live in Antarctica and surrounding regions. 企鹅生活在南极洲及周边地区。 [常见搭配] penguin colony企鹅群落 emperor penguina帝企鹅 Eg: The penguin colony on the island has thousands of members. 岛上的企鹅群落有数千只企鹅。 Emperor penguins can survive in extremely cold temperatures. 帝企鹅能在极寒环境中生存。 [即学即用] Climate change threatens _____ (企鹅) habitats. penguin 4.ecosystem (名词)生态系统 [用法讲解]ecosystem为可数名词，其复数形式为ecosystems. Eg: The desert ecosystem is fragile and easily disrupted. 沙漠生态系统脆弱且易被破坏。 [常见搭配]ecosystem balance生态平衡 Eg:Beesplaya crucialrolein maintaining ecosystem balance. 蜜蜂在维持生态平衡中起关键作用。 [派生词] ecosystemic为形容词，译为“生态系统的”。 Eg: Ecosystemic changes require global cooperation. 生态系统的变化需要全球合作。 [即学即用] Coral reefs are vital to marine e_____. cosystems 5.rainfall (名词)降雨量、下雨 [用法讲解] rainfall为不可数名词。 Eg: The meteorologist predicted a decrease in rainfall next month. 气象学家预测下月降雨量将减少。 [常见搭配]annual rainfall年降雨量 heavy rainfall强降雨 Eg: The annual rainfall in this region is about 800 mm. 该地区年降雨量约800毫米。 Heavy rainfall caused flooding in several towns. 强降雨导致多个城镇发生洪水。 [即学即用] 这里的年降雨量低于平均水平。 The _____ _____ here is lower than average. annual rainfall 6.climate (名词)气候 [用法讲解] climate常为不可数名词，但在表示“不同类型的气候或特定区域的气候”时为可数名词，其复数形式为climates。 Eg: The climate here is mild all year round. 这里全年气候温和。 [常见搭配]global climate全球气候 climate control气候调节 climate change 气候变化 Eg:Global climate is warming due to human activities. 全球气候因人类活动而变暖。 The car has advanced climate control. 这辆车有先进的气候调节系统。 Climate change is causing sea levels to rise. 气候变化导致海平面上升。 [派生词]climatic为形容词，译为“气候的”; climatology为名词，译为“气候学”。 Eg: The island of G ... ...
