bulbKK [ˋbʌlb] /ˈbʌlb/名詞1燈泡The bulb in the hallway burned out again last night.走廊的燈泡昨晚又燒壞了。2球莖、鱗莖We plant tulip bulbs in the garden every autumn.我們每年秋天在花園裡種下鬱金香的球莖。3球狀部、球形末端Hold the thermometer above the bulb to avoid warming it.拿溫度計時要握在球狀部上方,以免使它變熱。