How to use in-sentence of “soften”:
+ He said that, “no attempt has been made to soften the existential sadness at the story’s core”.
+ Tied in a cotton bag, oat straw was used to soften bath-water.
+ It is used to soften water and make soap.
+ Diseases like scurvy and rickets can cause bones to soften and bend.
+ Phthalates are often used to soften PVC in this way.
+ Kale can be frozen after having been blanched two to three minutes, until the leaves soften a bit.