| 释义 | 
		soft·en·er \-(ə)nə(r)\ noun (-s)  : one that softens: as  a.  : a worker who softens hides, skins, or leather usually by immersing or tumbling them in water  b.  : a textile worker who waxes thread and yarn  c.  : a machine or apparatus in which something is softened  d.  : a substance added to something (as hard water, molten iron, or rubber in the process of manufacture) to make it soft, malleable, or plastic — compare plasticizer |