Marasmus is the condition resulting from caloric inadequacy of the diet.消瘦是由饮食的热量不足引起的症状.The clinical manifestations of the cancer were bloody spatum, faver, chest pain and marasmus.分析了肺癌的临床表现,主要是血痰 、 发热 、 胸痛与消瘦....
亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.阳离子表面活性剂通常为季铵盐类.Cationics are usually quaternary ammomium salts.反 离子通常是钠, 钾和铵.The usual counter - ions are sodium, potassium an...
潮水小的时候强风可以让船只改变航向。Strong winds can turn boats when the tide is weak.舵手独自一人就能变换航向。The helmsman could tack the boat singlehanded.根据星辰确定航向to navigate by the stars...