他臂上的两根断骨愈合得很好.The two broken bones in his arm have knitted well.氟骨症骨愈合的实验研究.Experimental study on bone union of osteofluorosis.折骨愈合.The broken bones knit....
飞机设计成流线型以减小风的阻力.The aircraft is streamlined to cut down wind resistance.飞机须克服空气的阻力.An aircraft has to overcome the resistance of the air.这种自行车的设计成功地减少了风的阻力和摩擦力。The design of the bicycle has managed to reduce the effects ...
Simon Lane quickly found his niche as a busy freelance model maker.西蒙·莱恩很快找到了适合自己的位置，成了一名忙碌的模型制作的自由职业者。an instrument made by a woman guitar maker in Canada一个加拿大女吉他制作者制作的乐器Our main promotional products Juicers, blenders, ...