preservative

防腐剂英释中释na chemical substance that is used to prevent things from decaying, for example food or wood

1 wood preservative,木材防腐剂

2 preservative agent,防腐剂；保存剂

3 preservative treatment,n. 防腐处理，防护处理

4 chemical preservative,化学防腐剂

1 food that contains no artificial preservatives.不含人造防腐剂的食品