change的副词

副词形式是changeably，表示易变的，例如： Thenaturalenvironmentexertsatremendousinfluenceonliteratureandartspermanentlyandsteadily,andtimefashionstemporarilyandchangeably.自然环境与时代风尚分别对文艺产生共时性和历时性的深刻影响；...