词汇与第五讲词根和单词.ppt

Chapter 5;insulate, insolate ;词根insul表示“岛屿”，来自于拉丁语insula，并形成变体isol，以下单词也含有此词根： isolate v. 使孤立，隔离；使绝缘 isol (island) + -ate isolation n. 隔离，孤立，分离，绝缘 We should never isolate ourselves from the masses. peninsula n. 半岛 pen-(next to,almost) + insul (island)+-a (noun) peninsular adj. 半岛的；n.半岛的居民 Between these ocean-filled valleys, there are wooden peninsulas and islands. insular adj. 岛的，岛民的；偏狭的 insul (island)+-ar Japan is an insular country. insulin n. 胰岛素 insul (island)+-in (element) They won the 1923 Nobel Prize for the discovery of insulin. ;含有词根insul及其变体的单词还有： island n. isle n. islet n. *; 词根sol之意为“太阳”，其变体包括sun, south和hel还见于以下英语单词中： solar adj. 太阳的, 日光的 The solar cell can convert the energy of sunlight into electric energy. solstice n. 至，至日 sol (sun) + stic solstitial adj. 至的 parasol n. solarium n. turnsole n. sun n. south n. ad. a Sol;Helios helium n. heliocentric adj. heliotherapy n. heliosis n. ◆;cooperation, corporation ;opera n. operation n. operable adj. *;词根corpor为“躯体，团体”之意，还构成： corporal adj. 肉体的, 身体的；n. 下士 A teacher should not give students corporal punishment. corporate adj. 社团的, 共同的, 全体的 This university is a corporate body formed from several colleges. incorporate v. 合并, 使组成公司；adj. 合并的, 结社的 Many of your suggestions have been incorporated in the new plan. corpse n. ◆;transition, transaction;词根it 表示“行走 (to go)”，还构成以下单词： initial adj. 开始的，最初的 in-(into) + it (to go)+-ial (of …) initiate v.使入门，开始，创始 initiation n. 开始，创始 initiative adj. n. The initial talks were the base of the later agreement. itinerary n. 旅程，路线 itiner (to go) + ary Tell us your itinerary so that we can reach you in case of emergency. ;含有词根it的单词还有 ambition n. amb- (round) + it (to go) +-ion (ing) exit n. circuit n. circu- (ring) + it (to go) issue v. iss (out) + u +e (it) *;词根act源于拉丁语actum，为“行动”之意，并有变体ag和ig，还见于下列单词之中?? agenda n. 日程安排 ag (to do) + -enda (things) There were three items on the age