Noun:

1. large game fish in the Pacific Ocean; may reach 1000 pounds

blackadj.黑的；不加牛奶的；很脏的；愤怒的；令人沮丧的；邪恶的；阴沉的；机密的；黑色幽默的n.黑色；黑人；黑色物v.抵制；(使)变黑blackswan黑天鹅(澳洲产)