英语词汇“Painting the ceiling was a tough nut to crack”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Painting the ceiling was a tough nut to crack
释义	Painting the ceiling was a tough nut to crack. 油漆天花板是件难事。
随便看	enzymatic extraction enzymatic extraction of collagen enzymatic properities enzymatic properties enzymatic property enzymatic fluid enzymatic fuel cells enzymatic grafting enzymatic-gravimetric method enzymatic HAP enzymatic hudrolysis enzymatic hydrnlysis enzymatic hydrolysate enzymatic hydrolysate of sheep bone enzymatic hydrolysate of sheep bones enzymatic hydrolysates enzymatichydrolysis enzymatic hydrolysis enzymatic-hydrolysis Enzymatic hydroly-sis enzymatic hydrolysis characteristics Enzymatic hydrolysis condition enzymatic hydrolysis conditions enzymatic hydrolysis-continuous flow method enzymatic hydrolysis lignin