The use of Gilbert's method sharpens our field observations.吉尔伯特方法的应用使我们的观测结果更具有说服力.Mr Weaver talks with her while she sharpens her pencils.她一面削尖铅笔,韦佛先生一面跟她谈话.Cold weather sharpens the pain in my knee.寒冷使我膝盖的疼痛加剧....
Alexander's engineers built floating rafts for the heavy catapults.亚历山大的工兵修建了浮动的筏子来运载沉重的弩炮.Train all the catapults at this point, to the right of the gate.全部石弩,运到这里, 对准门的右边.Leaping is usually done with a springboard...