他似乎只是出于职业缘故而喜欢她。He seemed fond of her in a strictly professional way.不知什么缘故，他最近十分沉默，有点异样。He's been very quiet and withdrawn, sort of different, somehow.疾病的产生往往是由于饥饿的缘故,因为身体很虚弱.Disease often follows on starvation bec...
吲哚乙酸, 激动素或赤霉酸的外源施用刺激了光合作用.Exogenous applications of indoleacetic acid, kinetin or gibberellic acid stimulate photosynthesis.赤霉酸也可加强雄性的倾向.Gibberellic acid may also accentuate the trend toward maleness.赤霉''.'...