相关单词近义词 emergency 突发事件, necessity 需要, demand 要求, need 需要, pressure 压强, requirement 必要条件, constraint 约束, pinch 捏临近词ex, Exler相似词exhilaration, exhort, exhortative, exhume, exigent, exiguous, exile, exist, 返回 exigency