例285　Adding to a woman's increased dose of stress chemicals, are her increased "opportunities" for stress.

【结构分析】这句话中主语是动名词短语Adding to a woman's increased dose of stress chemicals，其中add to的意思是增加，增添，补充，后面的系动词是are，表语是her increased "opportunities" for stress。

【亮点回放】此句话的亮点在于动名词短语的成功使用，该动名词短语中的宾语很复杂，是个of结构，也就是a woman's increased dose of stress chemicals。

【核心词汇】

adding to　促进

a woman's increased dose of stress chemicals　她们产生更多的导致压力的化学物质

her increased "opportunities" for stress　她们产生压力的“机会”也很多

【参考译文】对于女性来说，促进她们产生更多的导致压力的化学物质原因是她们产生压力的“机会”也很多。