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. 防腐劑
Nitrates are used as preservatives in food processing. 硝酸鹽在食品加工中被用作防腐劑。
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preservative /prɪˈzɜːvətɪv/ (preservatives)
剑桥词典
- [ 可數名詞：有複數形式的名詞 or 不可數或單數名詞：沒有複數形式的名詞 ]
a substance used to prevent decay in wood
（木材的）防腐劑，保護劑
a timber /wood preservative 木材防護劑
The fence has been treated with preservative. 圍欄經過了防腐処理。
[ 可數名詞：有複數形式的名詞 ]
a chemical used to stop food from decaying
（食品）防腐劑，保鮮劑
This bread is completely free from artificial preservatives. 這種麪包絕不含人工防腐劑。
No added preservatives. 未添加任何防腐劑。
natural preservatives 天然防腐劑 返回 preservative