a confident and forceful statement of fact or belief 断言,语气肯定的话 [with clause]his assertion that his father had deserted the family. 他对他父亲已抛弃家庭这一事件的断言。 ■[mass noun]the action of stating something or exercising authority confidently and forcefully 肯定有力的主张;行使权利 the assertion of his legal rights. 对他自己法律权利的维护。
语源
late Middle English : from Latin assertio(n-), from the verb asserere (see assert)