Ballal巴拉尔balln.球；球状物；炮弹；舞会；愉快的经历；<口>胆量；胡说；（复）睾丸v.使成球状；呈球状；<俚>性交Ball moved by fellow competitors球被同伴参赛者移动Ball and socket steering knuckle球销式转向节Ball Valve Actuation and Control球阀执行机构和控制机构ball-bearing with filling slot带滚珠沟槽的轴承ball syringe for cerebral surgery脑外科球状注射器ball valve with insulation jacket具有保温套的球阀Ball Bearing Cage Noise Mechanism球轴承保持架噪声机理分析Ballenger-Hajek septum elevator巴-哈二氏鼻中隔剥离器ball-and-socket gear shifting球窝式变速杆,球窝式调档Balling-Alcohol-extract chart糖度-酒精一抽出物表

1. The golfer lost four strokes trying to get the ball out of the sand trap.
   那个高尔夫球手花了四杆去打那落入沙坑的球。