以上来源于: WordNet
N a dark nebula lying in the constellation of Orion and resembling the head of a horse 马头星云 [astronomy]
Near the image bottom lies IC 4592, the Blue Horsehead nebula.
在照片底端附近是有蓝色马头星云之称的IC 4592。
L the Horsehead nebula in Orion is the best-known dark nebula.
l猎户星座中的马头星云是最著名的暗星云。
Fittingly named the Horsehead Nebula, it is some 1, 500 light-years distant, embedded in the vast Orion cloud complex.
被称为马头星云，它在1500光年远，嵌在巨大的猎户星云复合体中。
应用推荐