【正文】
,fall to,decline to,decrease to,drop to,go down to,reduce to, slump to,descend to,sink to,slide to,level to19保持穩(wěn)定:Level out,do not change,remain stable,remain still,remain steady,be stable,maintain the same level,remain unchanged,be still,remain the same level,stay constant,keep at the same level,level off,stabilize,keep its stability,even out20 急劇地:Dramatically,drastically,sharply,hugely,enormously,steeply,substantially,considerably,significantly,markedly,surprisingly,strikingly,radically,remarkably,vastly,noticeably21平穩(wěn)地:Steadily,smoothly,slightly,slowly,marginally,gradually,moderately,mildly22 宣稱:Allege, assert, declare, claim23 發(fā)生:Happen, occur, take p