ameliorate
vt.（使）改善，改进；减轻（痛苦等）；改良
vi.变得更好
网络解释.改善
词形变化:
过去式：ameliorated 过去式：ameliorated 过去式：ameliorating 过去式：ameliorates
派生词: amelioration ameliorative ameliorator
promote improve
双语例句
1. 1 . He expected me to do something to ameliorate his depression.
他希望我做点什么好让他不那么沮丧。
来自柯林斯例句