词汇	岩屑堆
释义	岩屑堆医scree；talus
随便看	primary phallic lobe primary phase primary phase morphology primary phase region primary phleom primary phloem primary phloem fiber primary phloemfibers primary phosphate primary phosphine primary photoceptor dystrophy primary photochemical process primary photochemicalreaction Primary photochemical reaction primary photocurrent primary photoelectric current primary photoelectric effect primary photo-electric effect primary photoelectric standard primary photoeletric current primary photolelectric effect primary photolysis primary photometric standard primary photon primary photon flux