The causes of tarnishing gold and silver - plated connectors were studied respectively.分别探讨了接插件镀金和镀银层变色的原因.Bright tin electrodeposits on copper wire are susceptible to tarnishing.铜线材经光亮镀锡后易产生腐蚀变色.Do they not realize thei...
Corrosive and bitingly trenchant; cutting.恶意讽刺的且十分锐利的; 讽刺的.a bitingly cold wind.凛冽的寒风The doctor pushed open the door. The interior was silent and bitingly cold.医生推开大门, 屋里毫无动静,寒冷砭骨.There was a long pause and he spoke draw...
为什么聪明人会被江湖医术所吸引？Why do intelligent people find quack remedies so appealing?在有些人看来，用草药治病纯属江湖医术。To some people, herbal medicine is quackery.这一病例使我们最有经验的医生也无法施展其医术.The case baffles the skill of our most experienced medical ...