FruIt'sweetens as it ripens.水果成熟后就好吃了.Hunger sweetens what is bitter.饥者易为食.Business sweetens pleasure, and labour sweetens rest.工作后消遣更愉快, 劳动后休息更舒畅....

v.使甜，变甜( sweeten的第三人称单数 )，送礼以说服...

sweetens的音标：...