Laser beams may cauterize and heal ulcers.激光束可以烧灼和愈合溃疡.Lasers cauterize incisions , reducing bleeding and infection, sealing off nerve endings, and minimizing postoperative pain.激光可以麻痹伤口, 减少流血和感染, 封闭神经末梢, 将术后痛苦降低至最小....
Toy manufacturers began promoting some of their products on television.玩具制造商开始在电视上推销他们的一些产品。We rap the manufacturers on their knuckles if the toy is shoddy.如果玩具质量低劣，我们会痛斥制造商。Toy shops do a roaring trade just before Chris...