单词	flog a dead horse
释义	flog a dead horse 徒劳
随便看	silicon hydrides silicon hydroxide siliconic acid siliconic nodule silicon ifffused epitaxial mesa transistor silicon image sensor silicon imaging device silicon imperfection silicon-impregnated graphite silicon impregnation siliconing silicon ingot silicon integrated circuit silicon integrated circuit bar silicon intensifier target camera tube silicon intensifier vidicon silicon intensifying target silicon iodide silicon iodide chloride silicon iodide trichloride silicon iron silicon-iron lamination silicon iron pipe silicon iron sheet silicon iron tube 拐1 拐3 拐4 拐弯抹角拑拒拒1 拒3 拒4 拒之门外グイ飲ミグウグウグウグウグウグウグウイグウイングウエイ