vt.使改善；使变好

vi.改善；变好

He works hard to ameliorate his family's poor circumstances. 他努力地工作以改善家庭的穷困。

It is not clear what can be done to ameliorate the situation. 不清楚我们能做些什么来改变这个情况。

Self-talk can thus ameliorate our status. 因此，与自己对话可以改善我们的现状。

Steps have been taken to ameliorate the situation. 已经采取措施以改善局面。

The situation has ameliorated. 情况好转。