The treatment involves the placement of twenty-two electrodes in the inner ear.这一治疗需要在内耳放置22个电极。I was twenty-two — no, twenty-one.我当时22岁，哎呀不对，是21岁。He has grown into a young man of twenty - two.他已成长为22岁的青年了....
工人在合金里搀了一点铜.The worker worked in a little copper with the alloy.把这油和漆搀在一起,好好搅拌.Mix this oil with the paint and stir well.他搀着她的手臂帮她站起身来.He helped her up to her feet by holding her arm....
Thirteen per cent of Christie's coin and banknote auction went unsold.佳士得13%的硬币和纸币拍卖流拍。I put the coin in the machine and pulled the lever.我把硬币投入机器，拉动控制杆。The golden rule is never to clean a valuable coin.重要的原则是决不清除贵重...
Hormone replacement therapy is very important and should be instituted early.激素替代治疗非常重要，应该及早开始。Oestrogen is a female sex hormone.雌激素是一种雌性荷尔蒙。This hormone interacts closely with other hormones in the body.这种荷尔蒙与体內其他荷尔蒙紧密地...
The cost of repairing earthquake damage could be more than seven-thousand-million dollars...弥补地震造成的损失需要超过70亿美元。He is repairing the brake lever of an automobile.他正在修理汽车的刹车杆.Your watch wants repairing.你的手表该修一修了。Blacksmiths...