On commutative ring with the identity, the definition of affine Lie algebras was given by applying the means of generator and defining relation.

在有单位元的交换环上，可应用生成元和定义关系的方法给出仿型李代数的定义。

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Let R be an abelian ring ( all idempotents of R lie in the center of R), and A be an idempotent matrix over R.

设R是一阿贝尔环（R的所有幂等元都在中心里），A是R上的一幂等阵。

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Metis and Adrastea lie within Jupiter's main ring.

木卫十六与木卫十五存在于木星主光环之内。

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Most so-called Parisians live outside the historic inner city, in a patchwork of communes and communities that lie beyond the outer ring road.

BBC: Beijing traffic jam