VOA慢速英语:For Black Men in US, How a Haircut Could Mean a Longer Life

play a part起作用

例句：Recent structural changes also play a part.
      最近的结构性变化也扮演了重要角色。

2. That means obese Indians are even more at risk for diabetes than other people.

at risk在危险中,在危急时

例句：Parts of lowland Britain are also at risk.
      部分英国低地也面临着同样的危险。

3.The other side of the picture was that many people were fat and some of these belonged to the poorest section of that slum.

belong to属于

例句：Does this house belong to Mr. Winter?
      这幢房子是温特先生的吗?

      Victory belongs to the most persevering.
      胜利属于最有毅力的人。

4.The World Health Organization says China is also moving up in obesity rates.

move up(使)升级, 提升

例句：He has moved very rapidly up.
      他晋升得很快。

      Dr. Smith was moved up from an associate to a full professorship.
      史密斯博士由副教授晋升为正教授。