Smokers with high levels of flavonol reduced their risk of pancreatic cancer by 59 percent.是什么意思？

Smokers with high levels of flavonol reduced their risk of pancreatic cancer by 59 percent.

食用高水平黄酮醇的吸烟者患胰腺癌的风险降低了59%.

Smokers

n. 吸烟者( smoker的名词复数 )；

例句
In one study, light smokers were found to be more than twice as likely to get cataracts as non-smokers...
研究表明，即使抽烟不多的人也比不抽烟的人患白内障的概率高出一倍多。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

high

adj. 高的，高尚的，崇高的，高音调的，高级的，高等的；adv. （程度等）高地，高价地，奢侈地；n. 高处，高位，[气象学]高气压，高压地带，高水平；

例句
...abnormal heart rhythms and high anxiety levels.
心律不齐和高度焦虑

levels

n. 水平( level的名词复数 )，水平线，水平仪，水平测量；

例句
Victoria Falls has had above average levels of rainfall this year...
维多利亚瀑布今年的降雨量超过了平均水平。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

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

flavonol

n. 黄酮醇；

例句
Flavonoids of Patrinia Scabiosaefolia Fisch are mainly flavone and flavonol including rutin.
黄花败黄酮类化合物主要是黄酮和黄酮醇两类,其中含有芦丁成分.

reduced

adj. 减少的，简化的；v. 换算( reduce的过去式和过去分词 )，约束，使变为，使变弱；

例句
Those booking a block of seats get them at reduced rates.
团体订座可享受折扣价。

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

risk

n. 危险，冒险，保险额，被保险人或物；vt. 冒…的危险，使…冒风险（或面临危险）；

例句
The consensus is that risk factors have an accumulative effect.
危险因素会与日俱增已成为共识。

pancreatic

--

例句
Objective: Ampulla being obstructed can cause cholestasis and pancreatic juice regurgitation.
目的: 胰胆管壶腹梗阻可引起胆汁淤积及胰液反流.

cancer

n. 癌症，恶性肿瘤，弊病，社会恶习，迅速蔓延的恶劣的或危险的事物，[天]巨蟹座，巨蟹宫；

例句
An increasing body of evidence suggests that all of us have cancer cells in our bodies at times during our lives.
越来越多的证据表明，我们所有人一生中体内时有癌细胞存在。

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

percent

n. 百分比，百分数，百分之一；adj. 百分之…的，每一百中有…的，百分之…支付利息的；adv. 以百分之…地，每一百中有…地；

例句
Expenses are deductible only to the extent that in aggregate they exceed 7 percent of gross income.
只有在消费总额超过总收入的7%时才可免税。