preservative— Something used to preserve, especially a chemical added to foods to inhibit spoilage 防腐剂=maintain To keep in an existing state; preserve or retain 保持
house—A structure serving as a dwelling for one or more persons, especially for a family 房屋=dwelling,To contain; harbor 收容;隐藏=contain To have within; hold 包含;容纳
emerge—To comesintosexistence 发生使出现=appear, spring up embed—To cause to be an integral part of a surrounding whole包埋=encase To enclose in or as if in a case 把…装箱