Entailment is the converse of the relation of logical consequence.导出是逻辑推论关系的逆叙.Entailment is a relation of inclusion.蕴涵是一种包含关系....

entailment的音标：entailment的英式发音音标为：[en'teɪlmənt]entailment的美式发音音标为：[en'teɪlmənt]...

需要，限定继承...