preservative
柯林斯词典
1. N-MASS A preservative is a chemical that prevents things from decaying. Some preservatives are added to food, and others are used to treat wood or metal. 防腐剂
Nitrates are used as preservatives in food processing. 硝酸盐在食品加工中被用作防腐剂。
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preservative /prɪˈzɜːvətɪv/ (preservatives)
剑桥词典
- [ 可数名词：有复数形式的名词 or 不可数或单数名词：没有复数形式的名词 ]
a substance used to prevent decay in wood
（木材的）防腐剂，保护剂
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。
[ 可数名词：有复数形式的名词 ]
a chemical used to stop food from decaying
（食品）防腐剂，保鲜剂
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 返回 preservative