常速英语:Women at Greater Risk of Heart Disease

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短语讲解：

1. When a man has a heart attack, it is often because of a blocked artery. 

because of因为, 由于
例句：I came back because of the rain.
因为下雨, 所以我回来了。

2. Carrie Vincent had a massive heart attack after giving birth to her first child.

give birth to生; 引起, 产生
例句：She gave birth to a fine healthy baby.
她生了一个健康可爱的婴儿。

3. Irene Pollin went into action when she learned this fact.

go into进入(某种状态)
例句：He went into a rage when he learned about it.
他听到这事后勃然大怒。

4. Pollin teamed up with cardiologists at Brigham and Women's Hospital in Boston where Dr. Joanne Foody focuses on prevention.

team up (使)结成一队,合作,协作
例句：He teamed up with a friend and set up a trade business.
他与一个朋友联合, 做起了买卖。
focus on集中于，致力于
例句：The show focuses on making fun of politicians.
这场演出旨在嘲弄那些政客。

5. Both doctors recommend public policies that promote heart health, and, of course, screening and education, the type that Irene Pollin and Carrie Vincent are doing one event at a time.

at a time依次, 逐一, 每次
例句：Take the pills two at a time.
每次服两粒。