英语词汇“waste powder and shot”的翻译、意思、用法、释义-英汉汉英词典

单词	waste powder and shot
释义	waste powder and shot 白白地耗费力量(或精力) 以上来源于：《21世纪大英汉词典》
随便看	differential hardening differential head differential heating differential heat of dilution differential heat of solution differential horizontal tail differential host differential housing differential ideal differential incidence differential inclusion differential income differential incremental backup differential index differential indexing differential indicator differential inductance differential inhibition differential input differential input circuit differential inputs differential-integral differential interference differential-interference-contrast microscope differential interference contrast microscopy