adj.有益的,效果好的;
例句:
The letter had a very salutary effect.
这封信好似一剂苦口良药。
The punishment had a salutary effect on the boy.
这项处罚对那个男孩产生了有利的影响.
The plant proved salutary.
那植物证明是有益于人体健康的.