词汇“白费心机”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	白费心机
释义	白费心机白费心机[bái fèi xīn jī]1.■scheme in vain; bother one's head for nothing; make futile efforts; rack one's brains in vain
随便看	parabolic critical line parabolic current parabolic curve parabolic cusp parabolic cylinder parabolic cylindrical surface parabolic dish parabolic flight parabolic folium parabolic geometry parabolic girder parabolic governor parabolic grade parabolic homology parabolic hypercylinder parabolic interpolation parabolic mirror parabolic orbit parabolic path parabolic plane parabolic projective parabolic reflector parabolic region parabolic regression parabolic segment

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