ameliorate
[əˈmiljəˌret]
vt.
（使）改善，改进;
减轻（痛苦等）;
改良;
vi.
变得更好;
例句:
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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。
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Nothing can be done to ameliorate the situation.
做什么也无法使情况好转。
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Steps have been taken to ameliorate the situation.
已经采取措施以改善局面。
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Recycling parts from old cells could ameliorate Might?
来自SA
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Ioannidis proposes a number of measures that could ameliorate this situation.
来自SA
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That would aggravate, not ameliorate, the problem of minority racial self-consciousness.
来自WSJ