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black tin黑锡矿

1. Most are nectar feeding and many mimic bees and wasps, with their characteristic black and yellow bands in the abdomen.
   它们大多数都是以花蜜为食，它们中的很多酷似蜜蜂和黄蜂，因为它们都在下腹部有标志性的黄色和黑色条纹。