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- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- The children formed a circle round her. 孩子们在她周围围成了一个圈。
- We've booked seats in the circle. 我们预订了楼厅包厢的座位。
- He has a large circle of friends. 他有一大群朋友。
- We can use solar energy to do many things today. 如今，我们可以利用太阳能做很多事情。
- She moves in a very small circle. 她的活动圈子很小。
- They accurately predicted solar eclipses. 他们精确地预告了日蚀。
- The solar system was formed 4.5 billion years ago. 太阳系是四十五亿年前形成的。
- He has a wide circle of acquaintances. 他交游甚广。
- He gave a lecture on the use of solar energy. 他就太阳能的利用作了一场讲演。
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- A square has four sides but a circle has no sides. 正方形有四条边，而圆形没有边。
- Sorry, exercise circle is sold out. 对不起，健身圈卖完了。
- A mechanical model of the solar system. 太阳系仪太阳系的机械模型
- He has only a narrow circle of friends. 他交游不广。
- The axis of a circle is its diameter. 圆的轴线是其直径。
- This is a device for squaring the circle. 这是一个不可能实现的方案。
- The students sit in a circle on the floor. 学生们在地板上坐成一圈。
- A circle without a center is inconceivable. 一个没有圆心的圆是无法想像的。
