Ward, Josh Billings , and a host of others have survived only in scattered shards of humour.沃德 、 比林斯和许多别的作家能够留传下来的只是些幽默的残章断简.How would you classify these pottery shards -- are they prehistoric?你怎么给这些陶瓷碎片 归类?它们是史前时期的 吗 ?b...
One of the oldest method of salt removal is dialysis.透析是最古老的去盐方法之一.After dialysis and lyophilization , it can be detected by immunological methods.经过透析和冷冻干燥 、 可用免疫学方法测算.The dialysis principle can be used for demineraliza...
He has the occasional cigarette, but mostly he smokes a pipe.他偶尔抽香烟, 但通常是抽烟斗.He must limit the number of cigarettes he smokes.他必须限制他抽烟的数目.The girls bludged smokes.那些女孩子要烟抽。I don't like her because she is too tall an...