not capable of being precisely or readily described; not easily put into words;
"an indefinable feeling of terror"
"an abstract concept that seems indefinable"
undefinable 片语
片语
indefinite不确定的;无限的;模糊的
unsure不确定的;不肯定的;没有自信的
undefinable 例句
英汉例句
The logical formulas are an ordered binary pair, the first element is an assertion and the second is a definable domain or approximations of undefinable domain corresponding to the assertion.