comaKK [ˋkomə] /ˈkoʊmə/名詞1昏迷、昏迷狀態醫學She fell into a coma after the accident and woke up three weeks later.她在那場意外後陷入昏迷,三週後才醒來。2昏睡、嗜睡狀態口語,比喻After that huge lunch, I was in a total coma all afternoon.吃完那頓大餐後,我整個下午都昏昏欲睡。3彗髮天文As the comet neared the sun, its coma grew brighter and larger.隨著彗星接近太陽,它的彗髮變得更亮也更大。