unsteady和unstable区别形容什么不稳定用unsteady?形容什么不稳定用unstable?有没有抽象和不抽象之分?说nation不稳定用哪个?为什么?

unsteady和unstable区别形容什么不稳定用unsteady?形容什么不稳定用unstable?有没有抽象和不抽象之分?说nation不稳定用哪个?为什么? unsteady,unstable ,unfixed.如何区分呢 Unstable与Unsteady有什么区别?最近做一道题,大概是这样的：Politically these nations tend to be very________,with very high birth rates but poor education and very low levels of literacy.unstable reluctant rational unsteady我已经 UNSTABLE怎么样 求助英语词汇unsteady的名词形式, a black,venomous,unsteady glance是一种怎样的眼神? 龟兔赛跑 世纪复赛 UNSTABLE FABLES TORTOISE VS HARE怎么样 Divx is not right product to handle because of unstable price. 请翻译下:Have populations that are unstable been in response to climate conditions? Have populations that are unstable in response to climate conditions这句话结构应该如何分析 和有区别?是什么区别 英语翻译高中阅读英语翻译A decade ago that many have been the case,but that was a result of the unsteady situation at the time of reunification. 这句话怎么翻译?He was weak and unsteady with age,but there was still something of a monkey in him 英语翻译The present invention relates to a laser screen device used to test the velocity of experimental projectiles having unstable flight problems.The present invention permits velocity measurements of projectiles having unstable flight traject The world has much more to fear from a weak,unstable China than from a strong one. 英语翻译Without respect,love lost.Without caring,love boring.Without trust,love unstable.Without honesty,love unhappy petrol 和 gasoline 区别? 二氧化碳和一氧化碳区别