1. His gaze flicked from one of her empty, ringless hands to the other as she knelt, so that their eyes were level.
   她屈膝跪下使双方视线水平；他来回看着她的两只手，从那只空的没有戒指的手到另一只。
2. Indeed, the emerging synthesis explains why most of the inner planets are ringless: they lack large retinues of satellites to provide ring material.
   透过逐渐浮现的综合观点，我们就可以解释为什麽内圈的行星没有环：它们缺少够份量的随伴卫星以提供行星环材料。

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