refinements
[rɪ'faɪnmənts]
n.
（生活）风雅;
精炼( refinement的名词复数 );
改良品;
细微的改良;
优雅或高贵的动作;
例句:
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Older cars inevitably lack the latest safety refinements.
老款的汽车难免缺少经过改进的最新安全保护装置。
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The new model has electric windows and other refinements.
新型号有电动窗和其他改良装置.
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It is possible to add a few useful refinements to the basic system.
对基本系统进行一些有益的改良是可能的.
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It also offers other refinements from the previous model.
来自WSJ
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The outcome of this exercise might help inform future refinements.
来自BBC
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During my visit, the staff is still making refinements.
来自WSJ