单词	其苦難堪
释义	同BEAR
随便看	productive infection productive influences of nature productive interval productive knowledge revolution productive labor productive labor cost method productive labor hours method productive labor--productive wages productive labor，productive wages productive life productively productive maintenance productive man hour productive man hour--pmh productive man hour，pmh productive man year productive man year，pmy productive metallurgy productive morphology productive nephritis productiveness productivenesses productive of trouble productive osteitis productive poll