单词	operahouse
释义	同Opera-house
随便看	positive behavior intervention plan positive beings positive belt positive belt (time belt) positive bending moment positive beta decay positive beta particle positive bias positive biaxial crystal positive binomial distribution positive birefring-ence positive birefringence positive blower positive booster positive branch positive brush positive buoyancy positive camber positive capital positive carbon positive catalysis positive catalyst positive-channel metal oxide semiconductor positive charge positive--charge