optimum
构词:opt(光明,好的)+imum(最值 n.)
最光明最好 adj. 最佳,最适合的
相关:optical,optimistic;option,adopt,opinion;
number,maximum,minimum
搭配:optimum condition / result / level / value / use / performance
近义:best,finest,highest,first-class;perfect,ideal,supreme
option,optional
构词:opt(光明,分辨)+ion(n.)
分辨 n. 选项;选择权
相关:opt,adopt;opinion;optical,optimistic,optimum
搭配:two / several / various options;second / former / latter option
have no option but to do;safest / cheapest / sensible / military option
近义:choice,selection,alternative,preference
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