因素: factor; element 短语和例子决定因素 decisive factor; 积极因素 positive factor; 关键因素 the key facter; 致病的因素 factor in the causation of disease; 社会因素 social factor; 主导因素 leading factor; 基本因素 essential elem
疾病: disease; illness; sickness; pathema 短语和例子战胜疾病 triumph over disease; 摆脱疾病 throw off one's illness; 他得了一种痛苦的疾病。 he is seized with a painful sickness. 孩子易患各种疾病。 children are susceptible to va