VOA慢速英语:Biology May Keep New Fathers Close to Home

短语讲解：

1. Yet a new study suggests that men are biologically designed to care for their children.

care for照料, 服侍
例句：The mother cared for the sick child day and night.
母亲日夜照料着生病的孩子。

2. Testosterone is the main sex hormone responsible for the changes when a boy develops into a man.

responsible for为…负责;是造成…的原因
例句：I was responsible for advertising designs.
我负责广告设计。
develop into (使)发展成, 变成…
例句：She has developed into a beautiful girl.
她出落成一个美丽的姑娘。

3. Or do men with low testosterone to begin with, are they more likely to become fathers?

to begin with首先; 起初
例句：It was fine to begin with and then it started to rain.
起初天气很好, 后来才开始下雨。

4. Men who were active in child care produced less than those who were not active.

active in在……积极活跃；积极参加
例句：He was always active in his work.
他总是工作很积极。

5. Testosterone levels may drop in fathers to get them to pay more attention to parenting than to reproducing.

pay attention to注意
例句：No attention was paid to his advice.
他的建议没有引起注意。

6. Also, testosterone can suppress the immune system so that you’re less capable of fending off pathogens.

fend off挡开;避开
例句：The politician fended off the question.
那位政治家避开了这个问题。

7. Studies have shown a similar drop in other mammals and in birds after mating periods to allow for care giving.

allow for允许有, 留出, 给予
例句：We must allow ten days for traveling from New York to Hong Kong.
我们从纽约旅行到香港必须准备用十天时间。