她紧紧地抓着栏杆，小心翼翼地爬楼梯。She climbed the staircase cautiously, holding fast to the rail.他失去平衡，往后趔趄了一下，撞到栏杆摔倒了。He lost his balance, staggered back against the rail and toppled over.他把一根拐杖靠在栏杆上。He rested one of his crutches again...
过去片子是用石蜡固定到金属板上.Historically, wafers were waxed onto a metal plate.石蜡具有溶解油脂的特性.Paraffin has the property of dissolving grease.石蜡并不是良好的钝感剂.Paraffin , however, is not a good phlegmatizing agent....
She views every minor setback as a disaster.她把每个较小的挫折都看成重大灾难.The team suffered a major setback when their best player was injured.最优秀的队员受了伤，使得这支队伍的实力大打折扣。The move represents a setback for the Middle East peace process.这个...