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1·Family members play an important role in your life.

家人在你的生活中扮演着重要的角色。

2·Rock formations play an important role in the design of a Chinese-style garden.

石头在中式园林的设计中发挥着重要的作用。

3·Schools play an important role in teaching students about the value of working hard.

学校在教育学生努力工作的价值方面起着重要作用。

4·Few people know that instant noodles play an important role in hunger and disaster relief.

很少有人知道方便面在饥荒和救灾中发挥着重要作用。

5·Pottery used to play an important role in the daily lives of Chinese people.

陶器在中国人的日常生活中扮演着重要的角色。

6·These tiny things form the base of the food chain and play an important role in the global carbon cycle.

这些微小的东西构成了食物链的基础，并在全球碳循环中发挥着重要作用。

7·Not only are evolutionary throwbacks possible, they sometimes play an important role in the forward march of evolution.

进化返祖现象不仅有可能，有时还在进化的发展中扮演重要的角色。

8·While we may not recall our nocturnal visions, scientists increasingly believe our dreams play an important role in memory and learning.

尽管我们回想不起夜间梦景，科学家日益相信，我们的梦在记忆和学习中起重要作用。

9·They point out that free-time activities play an important role in childhood development and that large amounts of homework reduce children's free time, hindering their development.

他们指出，业余活动在儿童发展中发挥着重要作用，大量的家庭作业减少了孩子的业余时间，阻碍了他们的发展。

10·These philhellenes were to play an important role in mobilizing support for Greek independence.

这些“爱好希腊的人”在动员支持希腊的独立中都扮演着重要的角色。