短語詞組短語bulb and stem vegetable 球莖與莖稈蔬菜Olfactory bulb neural stem cells 嗅球神經(jīng)干細胞onion bulb stem 洋蔥鱗莖stem bulb rotten disease 球莖腐爛病pollinator pollen stem bulb 授粉昆蟲給莖球狀物授粉Stem and bulb nematode 鱗球莖莖線蟲stem -bulb rot 球莖腐爛 返回 bulb stem