单词	perennial organ
释义	perennial organ 多年生器官
随便看	natural reserve of Mount Tianmu natural reserver natural reserves natural reservoir natural reservoir energy natural reservoirof bird flu viruses natural resin natural resin adhesive natural resin binder natural resin bonding natural resin coating natural resin derivatives natural resin of recent period natural resin paint natu-ral resin paint natural resins natural RESINS natural resin varnish natural resistance Natural resistance to bacteria Natural resistance to poisons natural resonance natural resonance frequency natural resonant frequency natural resoturce depletion