病人的免疫系统会对移植器官产生异质排斥反应。The patient'simmune system would reject the transplanted organ as a foreign object.但免疫疗法目前仍处于实验阶段。For the time being, however, immunotherapy is still in its experimental stages.瑜伽能增强人体免疫系统。Yoga...
This was after winning two prizes in Craven - A national photography competition.这是获胜后的两个奖项,在文 - 全国摄影比赛....his craven obedience to his employers.他懦弱怕事，对雇主一味地服从They condemned the deal as a craven surrender.他们谴责这笔交易为毫无志气的投...