Sister

姐妹关系

A term used in generative grammar to refer to a relation between nodes in a phrase-marker. A set of nodes will be called sisters if they are all immediately dominated by the same (mother) node.

生成语法术语，指短语标记内节点与节点之间的一种关系。一组节点如果受同一（母）节点的统指就称作姐妹节点。