Unit 3 词汇课件 2022-2023学年高中英语人教版选择性必修第三册

选择性必修Book 3 Unit 3 Environmental Protection 词汇知识点 graph [ɡrɑːf]: n. 图; 图表; 曲线图 emission * n. 排放物；散发物；排放 词汇记忆 词根 e = ex = out 出 exit n. 出口，v. 退出； export v. 出口 词根 miss = mis = send, let go 送，放出； ion 词缀构成名词 permission n. 许可 ；commission n. 委员会，授权 单词变形 emit vt. 发出; 射出; 散发 give off/out放出; 发出(光/热/声音/气体等) Glaciers are melting, causing many animals to lose their habitable habitat. 冰川在融化，导致很多动物失去了适合居住的栖息地. melt [melt]: vi. & vt. (使)融化; 熔化; 软化 habitable [ˈhæbɪtəbl]: adj. 适合居住的 melt down 融化 melt away （人群）散去 habitant n.居住者/ habitat n.栖息地 seal Polar bears are unable to hunt seals and starve to death. n. 海豹 北极熊捕食不到海豹，导致饿死. starve [stɑːv]: vi. & vt. (使)挨饿; 饿死 starve to death：饿死 starving adj./starvation n. starve for sth/long for sth 渴望某东西 freeze to death 各种“死”法的表达 be worried to death be scared to death be beaten to death seal n[C] ①海豹 ②印记;图章 ③封蜡;封条;封口胶带 vt 密封;封;盖章于 Mr. Thompson用胶水封住了这个信封。 Mr. Thompson sealed this envelope with glue. In order to protect the earth, we should learn ecology well. 为了保护地球，我们要学好生态学。 release [rɪˈliːs]: vt. & n. 排放; 释放; 发布 ecological 生态学的/ecologist 生态学家/ecologic生态的 release a movie 放电影 release The Battle at Lake Changjin (《长津湖》), the ticket sales added up to 5.5 billion yuan since its release on 30 September, 2021.  首映（电影）；发行（CD、书等）；发布（新闻等）： release a movie / new version  发泄；宣泄 ： Physical exercise is a good way of releasing stress.  解雇 release n  [U]［可用单数］放走；释放；排放；宣泄： a release from prison the release of homing pigeons  [U]［可用单数］发行；发布： The phone is planned for release in April. methane [ˈmiːθeɪn]: n. 甲烷; 沼气 Natural gas consists mostly of methane. sustain vt ［正式用语］支撑 (bear)： The ice will not sustain the dog’s weight.  保持；维持（生命等）(maintain)： Without this process, Earth could not sustain life. 人教新选必③ – 3 ［正式用语］遭受；蒙受 (suffer)： sustain a defeat / an injury / a loss 构词：sus- (= sub-, up from below 从下往上) + tain (to hold) → 在下面支撑 → 支撑 (基本义) 派生词 sustainable adj 可持续的；不破坏环境的： Today, s