医生让他停止服用安定药.His doctor took him off tranquillizers.你干嘛不直接在她的汤里加点安定药?Why don't you just put some valium in her soup?安定药有使人平静的作用.Valium has a tranquilizing effect....
缺钼大豆的光合作用和固氮酶活性降低.The photosynthesis and the azotaseactivity were decreased in Mo deficient soybean.固氮酶:能催化固氮反应的酶.Dinitrogenase The enzyme that catalyzes NITROGEN FIXATION....
As the two charge distributions separate, leaving positive and negative sheaths.当两种电荷分布开始时, 就留下正离子鞘和负离子鞘.The production of sheaths has led to some new and unexpected difficulties.制造被筒时引起一些新的未预料到的困难.In addition, various p...