preservative
英 [prɪ'zɜːvətɪv]
美 [prɪ'zɝvətɪv]
- n.防腐剂；预防法；防护层
- adj.防腐的；有保存力的；有保护性的
中文词源
preservative 防腐剂
来自preserve,保护，保存。引申词义防腐剂。
英文词源
- preservative (adj.)
- late 14c., from Old French preservatif and directly from Medieval Latin praeservativus, from stem of praeservare (see preserve (v.)). The noun is from early 15c., "a preservative medication;" sense of "chemical added to foods to keep them from rotting" is from 1875.
双语例句
- 1. The wood is treated with preservative to prevent decay.
- 这块木头用防腐剂处理过以防止腐烂.
- 来自《简明英汉词典》
- 2. Make sure the panels are treated with a wood preservative.
- 确保镶板用木材防腐剂处理过.
- 来自《简明英汉词典》
- 3. New timber should be treated with a preservative.
- 新采的圆木应进行防腐处理.
- 来自《简明英汉词典》
- 4. Salt is a preservative for meat.
- 盐是肉类的防腐剂.
- 来自《现代英汉综合大词典》
- 5. Though the panels come pre-treated, they needed a final sealing with two coats of preservative.
- 虽然这些镶板运来时经过了预处理，但是还需要涂上两层防腐剂进行最后的密封。
- 来自柯林斯例句
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