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1·Lack of exercise is also a risk factor for heart disease but it's relatively small when compared with the others.

缺乏锻炼也是导致心脏病的一个因素。但和其他因素相比，这种危险较小。《牛津词典》

2·The implication is that loneliness is a huge, if silent, risk factor.

这暗示着即使是无声无息的，孤独也是一个巨大的风险因素。

3·Q: is this a risk factor?

问：这是风险因素的一类吗？

4·Obesity is an important risk factor.

肥胖是一种重要的危险因素。

5·Stress is a risk factor for depression.

压力是导致沮丧的一个危险因素。

6·Poor oral hygiene is also a risk factor.

口腔卫生不良也是一个危险因素。

7·Smoking is rated as the biggest risk factor.

吸烟被评定为最大的危险因素。

8·Tobacco use is a major risk factor for cancer.

烟草使用是癌症的一大高危因素。

9·Voute says obesity is another major risk factor.

伍特谈到，肥胖是另一个主要危险因子。

10·Getting older is a major risk factor for cataracts.

衰老是发生白内障的一个主要危险因素。