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Sodium Diacetate ( SDA ) and Sodium Dehydroacetate are two new - model preservatives.是什么意思？

Sodium Diacetate ( SDA ) and Sodium Dehydroacetate are two new - model preservatives.

双乙酸钠和脱氢乙酸钠为两种新型的防腐防霉剂.

相关词汇
sodium diacetate and are two new model preservatives

sodium

n. <化>钠(11号元素，符号 Na)；
例句
...an aqueous solution containing various sodium salts.
含各种钠盐的水溶液

diacetate

n. 双乙酸盐[酯]；
例句
Sodium Diacetate ( SDA ) and Sodium Dehydroacetate are two new - model preservatives.
双乙酸钠和脱氢乙酸钠为两种新型的防腐防霉剂.

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；
例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我
例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

new

adj. 新的，崭新的，新鲜的，新到的，现代的，初次（听到）的；adv. 新近，最近；
例句
When I listen to her play I can hear a new Nigel Kennedy.
从她的演奏中我听出了新一代的奈杰尔·肯尼迪。

model

n. 模型，模特儿，模式，典型；vt.& vi. 做模特儿；vt. 模仿，制作模型，塑造，将…做成模型；adj. 典型的，模范的；
例句
This basic utilitarian model gives a relatively unsophisticated account of human behaviour...
这个实用的基础模型较为简略地解释了人类的行为。

preservatives

n. 防腐剂( preservative的名词复数 )；
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。
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
I think silk ties can be quite nice...
我认为丝绸领带相当不错。
I don't want the public, and especially not the press, to get wind of it at this stage.
我不想让公众，尤其是新闻界，在这个阶段听到什么风声。
Though mine safety has much improved, miners' families still fear the worst.
尽管矿井的安全状况有了很大改善，矿工的家属仍然害怕最糟的情况会发生。
Basic food products are frequently unavailable in the state shops.
在国营商店里经常连一些基本食品都买不到。
Mother and child form a close attachment.
母子情深。
Well - dressed women accessorize according to the occasion.
衣着入时的女士根据不同场合选戴不同饰物.
Although we still depict nostalgic snow scenes on Christmas cards, winters are now very much warmer.
虽然我们仍在圣诞卡上描绘着具有怀旧气氛的雪景，但现在的冬天比过去暖和多了。
We must hold down the tents because of the strong wind.
风很大,我们必须把帐篷固定好.
Some of the firm's operations have been hived off into a separate company.
公司的一些业务已分离出来,成立了一家独立公司.
He can't get a good price for his crops.
他的庄稼无法卖个好价钱。