1.reversal n.逆转(an act or the process of reversing)
词根记忆:来自reverse(v.翻转)
例:New theories propose that catastrophic impacts of asteroids and comets may have caused reversals in the Earth's magnetic field.
同根词:reversely( ad.相对地;反对地)
2.reverse v.取消(to undo the effect of);逆转(to change to the contrary);a.相反的(contrary)
词根记忆:re(回)+verse(转向)--回转方向--相反的
例:Refraining from eating certain foods could help reverse blockage of coronary arteries(冠状动脉).//The Ocean Wildlife Campaign urged States to undertake a number of remedies to reverse a decline in the shark population.//reverse fault逆断层
派生词:reversal(n.颠倒,逆转);reversible(a.可反转的,可逆的)
3.reversion n.返回(原状,旧习惯)(an act of returning);逆转(an act of turning the opposite way)
词根记忆:re(回)+vers(转)+ion--转回去--返回
例:In spite of continuing national trends toward increased consumption of specialty foods, agronomists in the Midwest foresee a gradual reversion to the raising of agricultural staples: feed corn and hard red wheat.
同根词:inversion(n.倒置)
4.revert v.(to)恢复原状( to come or go back, return)
词根记忆:re(回)+vert(转)--重新转回去--恢复原状
例:Without endless watering, these fields will quickly revert to desert.
5.rewse v.修订;修改( to correct)
词根记忆:re(重新)+vise(看)--重新再看--修订,修改
例:Analysts revised their predictions.
派生词:revision(n,修订;修订本);revisionist(a.修正主义的;n.修正主义者)
6.revitalize v.(使)新生,(使)得到复兴(to give new life or vigor to, revive)
词根记忆:re(重新)+vital(有活力的)+ize--重新充满活力--复活
The government made great efforts to revitalize this restored riverfront area.
同根词:vitality(n.生命力;活力);vital(a.生死攸关的;生命的)
7.revive v.(使)复苏(to return to consciousness or life);(使)恢复(to bring back)
词根记忆:re(重新)+vive(生命)--重新获得生命复苏
例:The lifeguard revived the drowning man.//The construction of an oil pipeline across the lake's bottom might revive pollution.
派生词:revival(n.复苏:复兴)
8.revolution n.革命(overturn);旋转(revolving or rotating esp. of one planet round another)
词根记忆:re+volut(滚,卷)+ion--不断向前席卷而来的--革命
例:The Industrial Revolution was marked by the use of new machines, new energy sources, and new basic materials.//This machine can make 300 revolutions per second.
例:revolutionary(a.革命的);revolutionize(v.使变革)
9.revolutionarlry a.革命的(of, relating to, or constituting a revolution);革命性的(constituting or bringing about a major or fundamental change)
词根记忆:来自revolution(n.革命)
例:The American labor movement has never embraced revolutionary ideologies calling for the ultimate transformation of the economic order.
同根词:revolutionist(n.革命家)
n. 活力,生命力