guard against英语标准发音：guard against英式发音：美式发音：翻译中文防范guard against - 基本释义[词典1]提防防范guard against - WEB词典guard against防备防范Guard once against Drev防潮guard d against提防 参考资料： 1.百度翻译：guard against2.有道词典：guard against3.爱词霸：guard against
