名词电灯泡; 球茎,块茎植物; [解剖学]肿块
不及物动词
1. The onions bulbed poorly in this cold wet season. 洋葱在这个冷湿季节中鳞茎长得很不好。
名词
1. The bulb has burned out. 灯泡烧坏了。