Most authorities agree that play is an essential part of a child's development.

大多数权威人士认为玩耍是孩子成长的一个重要部分。

《柯林斯英汉双解大词典》

Students play the part of a pig, talking and acting.

学生扮演小猪的角色，边说边做动作。

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Current thinking suggests that toxins only have a small part to play in the build-up of cellulite.

流行的观点认为毒素只对脂肪团形成起很小的作用。

《柯林斯英汉双解大词典》

Professor King says loss of culture, land and language all play a part in poor health.

VOA: special.2009.07.20

Again, this is just his personal ambivalence about who he was, and his uncertainty about the role that he had in his own family So, this was a play-acting that was part of his life.

这也表明他对自己的身份的矛盾,以及自己在家庭中的角色的不确定,所以,这种角色扮演成为他生活的一部分

耶鲁公开课 - 欧洲文明课程节选

One of his most emotional love songs never became part of a musical play,however.

VOA: special.2009.02.08

Is the extinction of center play a part of NBA brand management?

FORBES: NBA Centers Face Extinction

The issue is, should the federal government have more of a part -- play more of a part to cut into the bureaucratic red tape that's happening down there to help expedite the reconstruction?

WHITEHOUSE: 10/14/09: White House Press Briefing

Admittedly, after a few minutes of this story I realized that Robert Redd had the good fortune to play a part in the dynamics of a family connection.

FORBES: The Gift of Love...Through the Pleasure of Receiving REDD!