preservative 是什么意思
n. 防腐剂；预防法；防护层
preservative 中文词源
preservative 防腐剂
来自preserve,保护，保存。引申词义防腐剂。
英语词源
preservative (adj.)late 14c., from Old French preservatif and directly from Medieval Latin praeservativus, from stem of praeservare (see preserve (v.)). The no
preservative 权威例句
- 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
preservative 造句
- 1. Salt is a preservative for meat.
- 盐是肉类的防腐剂。
-- 来源 -- 英汉 - 辞典例句
- 2. Salt has a preservative effect on food.
- 盐对食物有防腐作用.
-- 来源 -- 英汉 - 辞典例句
- 3. Clearly aqueous preservative systems must possess a fixation mechanism.
- 显然，水溶性防腐剂必须有固定的历程。
-- 来源 -- 英汉 - 辞典例句
- 4. The most important requirement is to achieve an adequate retention of the preservative within the wood.
- 木材防腐处理的一个最重要的要求，就是要使防腐剂吸收量达到适当指标。
-- 来源 -- 英汉 - 辞典例句
- 5. Preservative is usually added to tinned meat.
- 防腐剂通常加在肉类罐头里.
-- 来源 -- 英汉 - 辞典例句
- 6. Remedial treatment must be both eradicant and preservative.
- 修补处理必须应该是既可预防，又能根治的。
-- 来源 -- 英汉 - 辞典例句
- 7. The treatment was found to have a negligible preservative effect.
- 已发现这种处理法只有很小的防腐作用。
-- 来源 -- 英汉 - 辞典例句
- 8. Salt is a common food preservative.
- 盐是一种常用的食物防腐剂。
-- 来源 -- 英汉 - 辞典例句
- 9. This preservative has given excellent performance as a treatment for transmission poles.
- 这种防腐剂作为通讯电杆的处理剂具有很好的性能。
-- 来源 -- 英汉 - 辞典例句
- 10. By 1853 creosote had established itself as a most reliable and persistent wood preservative.
- 1853年以前，防腐油已作为最可靠并能持久的木材防腐剂，而确立了它自己的地位。
-- 来源 -- 英汉 - 辞典例句
美：[prɪ'zɝvətɪv] 