preservative
preservative
英[prɪˈzɜ:vətɪv]美[prɪˈzɜrvətɪv]
n.防腐剂，预防法，防护层；
复数：preservatives;
例句
Make sure the panels are treated with a wood preservative.确保镶板用木材防腐剂处理过。
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。
Can add to lotions, lip balms and eye creams, also act as a mild preservative.可加入乳液 、 面霜,润唇膏和眼霜, 亦可作防腐.
Continental production and flower pots, cisterns, nursery toys, chemical preservative products.兼产欧式花盆 、 水箱 、 幼儿园玩具 、 化工防腐产品.
Salt is a preservative for meat.盐是肉类的防腐剂.
TITAN : Each plate contains agarose in barbital buffer with 0.02 % thimerosal added as a preservative.TITAN:每皿含有琼脂醣在巴比妥〔二乙基丙二醯尿素〕缓冲剂中,并加了0.02%有机汞作为防腐剂.
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.
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*后的密封。
Every piece of timber was planed, cut to size and stained with cedar preservative.每根木材都被刨平了，切割成一定尺寸，并涂上了雪松防腐剂。
英语六级真题
So far, specialists have worked to add preservative materials to the churches' exteriors.
2019年12月六级真题（第一套）听力 Section C柯林斯高阶英汉双解学习词典释义
N-MASS
防腐剂；保护剂
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.
例句
Nitrates are used as preservatives in food manufacture...硝酸盐在食品加工业中被用作防腐剂。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*后的密封。英汉词典释义
n.
防腐剂
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。Make sure the panels are treated with a wood preservative.确保镶板用木材防腐剂处理过。英英词典释义
Noun
1. a chemical compound that is added to protect against decay or decomposition
Adjective
1. tending or having the power to preserve;
"the timbers should be treated with a preservative"行业词典
体育： 防腐剂；
医学： 保存剂，防腐剂：于产品中加入的一种物质或制剂，以便杀灭微生物或抑制其繁殖；
水产： 防腐剂；抑制微生物生长繁殖，防止食品腐败变质的添加剂。；
