preservatives 是 preservative 的复数preservativeKK [priˋzɝvətɪv] /pɹiˈzɝvətɪv/发音名词1防腐剂、保鲜剂This juice contains no artificial colors or preservatives.这款果汁不含人工色素与防腐剂。2防护剂、保护剂He brushed a wood preservative onto the fence posts.他在围篱的柱子上刷了木材防护剂。形容词1防腐的、有保存作用的正式Salt has a strong preservative effect on meat.盐对肉类有很强的防腐作用。用这个字练口说→