前: front弓: bow前弓脉: anterior arculus前弓区: anterior arch area前弓位: lordotic position气管前弓: arcus trachealis anterior前弓,舌腭弓: anterior pillar; arcus palatinus anterior前弓反张: emprosthotonia; emprosthotonos上颌前弓区: maxillary anterior arch area舌骨前弓: anterior hyoid arch下颌前弓区: mandibular anterior arch area向前弓箭步: forward lunge鱼跃前弓翻: flyspring寰椎前弓: anterior arch of atlas; arch of anterior atlas; arcus anterior atlantis前弓性破伤风: anticus tetanus; tetanus anticus前公司，被接管公司: predecessor company前公司, 被接管公司: predecessor company前公司: former company; predecessor company; previous company前功率输出轴: front power take-off前功尽弃: waste all the previous efforts; waste the efforts already made; all labour lost.; all one's labour has been in vain.; all the work one has done is wasted.; all that has been achieved is spoiled.; all one's previous efforts are wasted.; all previous work undone.; all previous work came to naught.; forfeiture of all the former achievements; one's past merits will count for nothing.; the former labour is all wasted.; all the former tasks have been thrown away.: 大坝一定要在雨季开始以前合拢, 否则就会前功尽弃。 the dam must be closed before the rainy season sets in, or all our labour will be lost
