第一讲 必修三 Unit 1 Nature in the Balance 知识点梳理 《知识提炼 能力训练》2023年高一寒假英语作业讲义（译林牛津版）

第一讲 必修三U1 知识点梳理 1、 知识梳理 1. harm →n. 伤害，损害 对…作出伤害 do/cause harm to = be harmful to [例句] Smoking does/causes harm to our health. There is no harm in doing sth. = It is no harm to do sth. There is no harm in asking his ideas. = It is no harm to ask his ideas. →vt. 伤害，损害 伤害环境 harm the environment →adj. harmful有伤害的 →adj. harmless无害的 2. ecosystem n. 生态系统 →n. ecology 生态；生态学 →adj. eco- 生态的；环境的 →adj. eco-friendly 生态友好的 maintain the balance of the Earth's ecosystem 3. overseas →adj. 海外的，国外的 overseas students/markets →adv. 向（在）海外，向（在）国外 live overseas/go overseas 4. region n. 地区，区域；行政区 法国的一个海外区域 one overseas region of France →adj. regional 地区的；区域的；地方的 5. continent n. 大陆，陆地；洲 the North American continent continental drift 6. million n. 一百万；许多，大量 one in a million →n. millionaire百万富翁；大富豪 7. length n. 长，长度；时间的长短；篇幅，（电影）片长 规律： adj.→n.→v. long→length→lengthen strong→strength→strengthen high→height→heighten wide→width→widen deep→depth→deepen [短语] two meters in length/width/height/depth = two meters long/wide/high/deep at length=in detail=detailedly 8. biodiversity n. 生物多样性 →n. biology生物学 →adj. bio- 生物的;人生的 →n. biotechnology 生物科技 →n. biochemistry 生物化学 →vt. diversify使多样化 →adj. diverse多种多样的 →n. diversity多样化；差异性 9. species n. (pl. species) 种，物种 单复数同形词: one species of flowers many species of flowers 物种的多样性 the diversity of species 10. variety n. 不同种类；变化，多样性；变种，变体 →vi. vary 改变，变化 vary from A to B [例句] The entertainment styles vary from generation to generation. →adj. various各种各样的 various flowers = a variety of flowers = varieties of flowers 11. beneath prep. 在…下面，在…下 方；配不上 beneath the painting the earth lying beneath a blanket of snow 12. mass →n. 大量；团，块，堆；一大群 大量的 a mass of /masses of+可数/不可数 群众,百姓 the masses 大多数 the mass of=the majority of →adj. 大批的，广泛的 大众传播媒介 mass media 批量生产 mass production 1