Lachesis的音标：...

A large venomous snake ( Lachesis mutus ) of tropical America, having brown and grayish markings.热带美洲的一种巨型毒蛇 ( 巨蝮巨蝮属 ), 长有棕色和浅灰色花纹....

n.主宰人类寿命的女神...