cobra

名词 cobra:

1. venomous Asiatic and African elapid snakes that can expand the skin of the neck into a hood

1. The cobra cast off its old skin.
   这条眼镜蛇蜕了旧皮。
2. Cobras are usually poisonous.
   眼镜蛇通常是有毒的。

co.bra

n.（名词）
Any of several venomous snakes, especially of the genusNaja, that are native to Asia and Africa and are capable of expanding the skin of the neck to form a flattened hood.
眼镜蛇：任一种剧毒的蛇，尤指亚洲和非洲的眼镜蛇属 ，能伸缩颈部皮肤以形成扁平的头部
Leather made from the skin of one of these snakes.
眼镜蛇皮革：由这些蛇之一的皮制成的皮革

来源：
Short for Portuguese cobra (de capello) [snake (with a hood)]
葡萄牙语 cobra (de capello) 的简写 [蛇（有头罩）]
from Latin colubra [feminine of] coluber
源自 拉丁语 colubra [] coluber的阴性词