基本解释非作格同根派生 unergative相关词英汉例句Unaccusative predicates select a single internal argument, while unergative predicates select a single external argument. 前者的主语是动词的域内论元，而后者的主语是动词的域外论元。unergative verb 非作格动词unergative verbs 非作格动词unergative更多例句