8B Unit 1 TreesP11. nature n. 自然;天性 ---natural a. 自然的;天生的;本能的---unnatural a. 不自然的 e.g. ◆keep the balance of nature 保持生态平衡 in nature 在自然界 ◆natural food 天然食品 a natural footballer 一种天生的足球运动员2. seed n. 种子3. strange a. 奇怪的;陌生的---stranger n. 陌生人P21. live v.=exist 生存;居住-- life n.(lives) 生活;生命--living a. 活着的;逼真的--alive a. 活着;在世 e.g. ◆save one’s life 救某人的命 ◆lose one’s life 失去某人的生命 save his life lose your life save our lives lose their lives◆all living things 一切生物 ◆keep sb. alive 使某人活着 Latin is not a living language. find himself alive 发现他自己还活着 拉丁语不是现代用语。 The great man is still alive. 那个伟人还活着。2. on the left 在左边---on the right 在右边3. average a. 平均的 e.g. ◆He is average height. 他中等身材。 The average age of the students is 15.平均年龄4. mouse n. –mice pl. 老鼠5. tortoise n. –tortoises pl. 乌龟6. human n. 人类 –humans pl. a. 人的;人类的 e.g. human beings 人类7. pollute v. 污染 –pollution n. e.g. air pollution water pollution noise pollution polluted a. 被污染的 e.g. The water is polluted. 这水被污染了。8. item n. 条款;项目;一件物品 an item9. well-known a. =famous 著名的 --better-known(比较级)—best-known(最高级)10. magnolia trees 玉兰树11. sweet-smelling 芳香的12. be known as 被誉为 know—knew--known13. show—showed—shown/ showed e.g. show me your watch =show your watch to me14. decide v. 决定 –decision n. e.g. decide (not) to do sth. 决定(不)做某事 make a decision 做决定15. probably adv.=possibly =perhaps =maybe 也许;大概;也许P31. pollution fighters 污染斗士2. fight v.—fought—fought v./ n. 打架;战斗 ---fighter n. 斗士;战士 e.g. fight against/ with 与某人打架/打丈 have a fight 打一架3. colle...