单词	缺乏--缺陷
释义	缺乏，缺陷deficiency
随便看	method-- continued-fraction method, contour-length method, co-precipitation method-- co-precipitation method, correcting sounding method, critical depth method-- curved-crystal method-- curve-fitting method, cut and try method-- cut-and-try method, cylinder method, decantation method, delayed-coincidence method-- delayed-coincidence method demonstration method demonstration contest method demonstration meeting method description method development method, differential-absorption method-- differential-absorption method, direct spectrum method, discrete-ordinate method-- discrete-ordinate method, drawdown