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....
He only has a smattering of French.他只懂一点法语。On his wanderings he's picked up Spanish, Italian, French and a smattering of Russian.在流浪途中，他学会了西班牙语、意大利语、法语和一丁点儿俄语。I had acquired a smattering of Greek.我学会了一丁点希腊语。...