1·I don't want any more ingenue roles.
我不想再演天真少女的角色了。
—— 《柯林斯英汉双解大词典》
2·They learn new roles and unlearn old ones.
他们学习新的角色，试图忘记旧的。
—— 《柯林斯英汉双解大词典》
3·It is one of the greatest roles she has played.
这是她所扮演过的最重要的角色之一。
—— 《牛津词典》
4·Stoppard had to recast four of the principal roles.
斯托帕德不得不更换4个主要角色的人选。
—— 《柯林斯英汉双解大词典》
5·It felt as if we had reversed our roles of parent and child.
感觉就像我们父母和孩子交换了角色。
—— 《牛津词典》
1·These brain regions play key roles in whether people convince others of their ideas.
这些大脑区域在人们能否让别人相信他们的想法上起着关键作用。
2·Hence, there is a real concern throughout Europe about the damage to the forest environment which threatens these three basic roles.
因此，整个欧洲都十分关注威胁到这三个基本作用的森林环境的破坏情况。
3·Many social and cultural factors play roles in determining which promising students get on the path toward international math recognition.
许多社会和文化因素发挥作用，决定着哪些有前途的学生能走上国际数学认可的道路。
4·No matter how the day is celebrated, the purpose of these celebrations is to help everyone understand the UN and the important roles it plays in world affairs.
无论如何庆祝这一天，这些庆祝活动的目的都是帮助每个人了解联合国及其在世界事务中发挥的重要作用。
5·From there she found herself in roles in TV commercials, which brought her to Japan early on in her career.
从那里她发现了她自己在电视广告中所起到的作用，她的早期的模特生涯，把她带到了日本。