Doctors often extol the virtues of eating less fat. 医生常常宣扬少吃脂肪的好处。 She delivered a homily on the virtues of family life. 她进行了一场家庭生活美德方面的说教。 49 posterity n.后裔,子孙,后代 参考例句: Few of his works will go down to posterity.他的作品没有几件会流传到后...