bulbs球茎；鳞茎,电灯泡,球状物,bulb的复数形式bulbn.球茎；电灯泡；球状物bulb barometer球管气压计bulb sprinkler玻璃球洒水喷头bulb angle bar圆头角料bulbo-atrial[医] 心球与心房的bulb induction鳞茎诱导Bulblet growth鳞茎生长bulb apparatus钾碱球管bulbus duodeni十二指肠球部bulbs of ovary卵巢血管丛bulboparalysis[医] 延髓性麻痹