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aux. 用以构成完成式及完成式的不定式，表示已经…；vt. 有，具有，拿，取得，从事，必须，不得不；n. 〈口〉有产者，有钱人，富国，〈英俚〉欺骗，诈骗；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

proved

v. 证明( prove的过去式和过去分词 )，检验，试

例句
Oil speculation proved a natural arena for his skills.
在石油业中进行投机活动对他来说游刃有余。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

protect

vt. 保护，保卫，贸易保护，备款以支付；

例句
It has been claimed that wine helps protect against heart disease.
有人声称葡萄酒有助于预防心脏病。

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

degradation

n. 堕落，潦倒，毁坏，恶化；

例句
They were sickened by the scenes of misery and degradation they found...
目睹困苦、潦倒的景象，他们感到心里极不舒服。

labile

adj. <化>（化合物）不稳定的，（尤指原子及原子团）易变化的，易分解的；

例句
Have proved to protect from degradation labile molecules such as vitamins or enzymes.
经测试具有优异的防止如维生素或酶等易变分子的降解,保持被包裹物活性的功效.

molecules

n. 分子( molecule的名词复数 )；

例句
Its molecules can be agitated by microwave energy.
微波能量可以使其分子随之运动。

such

det. 这样的，那样的，如此，这样；

例句
...abstract principles such as justice...
正义等抽象原则

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

vitamins

n. 维生素（ vitamin的名词复数）；

例句
If the supply of vitamins and minerals in the diet is inadequate, this will result in changes in body chemistry.
如果饮食中的维生素和矿物质含量太低，将会引起人体化学结构的变化。

or

conj. 或，或者，还是，不然，否则，左右；prep. <古、诗>在…之前，比…更早；n. [纹章]黑金色、黑色；

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。

enzymes

n. <生化>酶( enzyme的名词复数 )；

例句
...the ability of these enzymes to degrade cellulose.
这些酶降解纤维素的能力

...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。

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。

This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。

Nothing to be got without pains but poverty.
一份耕耘，一份收获。

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。

Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。

Have proved to protect from degradation labile molecules such as vitamins or enzymes.是什么意思？

Have proved to protect from degradation labile molecules such as vitamins or enzymes.

经测试具有优异的防止如维生素或酶等易变分子的降解,保持被包裹物活性的功效.

have