单词	為憾
释义	為憾，憾事a regretful fact or event.
随便看	method of are analysis method of assumed states method of authority method of average method of average error method of averages of false position method of bins method of bisection method of bit analysis method of calibration method of calling method of canonical problem method of certification method of characteristic method of characteristic curve method of characteristic point method of characteristics method of check-off method of clustering center method of coincidence method of collective marks method of comparison method of completing square method of concomitant variation method of conductometric analysis