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 vegetable鳞基类蔬菜bulbosummethod保尔补杀母法bulb retractor尿道球牵开器bulb potential玻壳电位bulb of retort曲颈甑的球Bulbring method比尔勃林(氏)法(动物心脏实验法)Bulbus lilii.百合bulb of urethra尿道球, 阴茎球bulb pipet pump移液管吸球bulb blackening灯泡变黑