常見例句Ephedra and Nitraia usually occur in the desert steppe areas, while Stellera and Cyperaceae pollens dominate the typical steppe areas.荒漠草原區(qū)常見麻黃和白刺花粉，典型草原區(qū)多爲(wèi)狼毒和莎草科花粉。 返回 Cyperaceae