词汇	secondary embryo-cord
释义	secondary embryo-cord 胚囊管
随便看	actuality of physical education actuality of pollution actuality of sanitation Actuality of study actuality of supplyand demand actuality of the fiver course actuality of tillable field resources actuality of water resources actuality of wetland actuality philosophy actuality progress actuality state actuality survey actualizable actualization actualization mechanism actualization of latent tourism resources actualization of the images actualizations actualization status actualize Actualize concrete verification actualized actualized planning actualized reason