雅思写作词汇整理：可替换的近义词

　　18. 降低至：dip to, fall to, decline to, decrease to, drop to, go down to, reduce to, slump to, descend to, sink to, slide to

　　19. 保持稳定：level out, remain stable, remain still, remain steady, maintain the same level, remain unchanged, stay constant, level off, keep its stability

　　20. 急剧地：dramatically, drastically, sharply, hugely, enormously, steeply, substantially, considerably, significantly, markedly, surprisingly, strikingly, radically, remarkably, vastly, noticeably

　　21. 宣称：allege, assert, declare, claim

　　22. 发生：happen, occur, take place

　　23. 原因：reason, factor, cause

　　24. 发展：development, advance, progress

　　25. 有益的：useful, helpful, beneficial, profitable, rewarding, advantageous,

　　26. 影响：influence, impact, effect

　　27. 明显的：clear, obvious, evident, self-evident, manifest, apparent, crystal-clear

　　28. 占：comprise, take up, account for, constitute, consist of, make up, occupy, hold, compose

　　29. 对比而言：by contrast, on the other hand, on the contrary, conversely,

　　30. 展示：show, reveal, illustrate, demonstrate, depict, present, represent, describe

　　31. 大约：approximately, almost, about, around, nearly, roughly

　　32. 事实上：practically, in practice, essentially, in essence, in reality, in effect, in fact, as a matter of fact

　　33. 换言之：namely, that is to say, in other words, to put it like this, to put it differently, to put it from another angle