| 词汇 | preservative |
| 释义 | preservative noun uk/prɪˈzɜː.və.tɪv/ us/prɪˈzɝː.və.t̬ɪv/ [ C or U ]（木材的）防腐剂，保护剂 a substance used to prevent decay in wood a timber/wood preservative 木材防护剂 The fence has been treated with preservative. 围栏经过了防腐处理。 [ C ]（食品）防腐剂，保鲜剂 a chemical used to stop food from decaying This bread is completely free from artificial preservatives. 这种面包绝不含人工防腐剂。 No added preservatives. 未添加任何防腐剂。 natural preservatives 天然防腐剂 |
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