turning on a pivot在枢轴上转动The pedal had sheared off at the pivot.踏板在枢轴处断裂了。Forming the pivot of the exhibition is a large group of watercolours.整个展览的重点是一大组水彩画。Torsional microslip at the clamps results in spurious torques w...
West Africa was the pivot of the cocoa trade.西非是可可豆贸易的中心。The pedal had sheared off at the pivot.踏板在枢轴处断裂了。Forming the pivot of the exhibition is a large group of watercolours.整个展览的重点是一大组水彩画。...