Blighted stems often canker.有病的茎往往溃烂.His dog has a canker in its ear.他的狗的耳朵上有一处溃疡.The pathogenic fungi of pear canker disease is a new variety.梨树腐烂病病原菌为一新变种....
Morphine: Heterocyclic compound, narcotic analgesic alkaloid originally isolated from opium.吗啡: 杂环化合物, 从鸦片分离出的麻醉性镇痛药镇痛药生物碱.We have, therefore , in both of the examples above, heterocyclic compounds with " built - in " or...
Pug's short assured answers were instinctive returns of the hard straight quizzing.帕格用那几句简短而有把握的话不加思索地答复了对方单刀直入的追询.You are quizzing me and Miss Anderson.你是在拿我和发德逊小姐开玩笑.Those piercing eyes quizzing him made Fred shri...