n.[动]棉口蛇；水腹蛇(=water moccasin产于南美的一种毒蛇)
The intrusion of a cottonmouth was the only thing that could separate us from the cool waters of Jackass Junction. 只有一条棉口水蛇不速而来才会使我们不敢在笨驴口阴凉的水里游泳。
Firefighter Mease said one worker had seen 14 black bears, and others have crossed paths with cottonmouth moccasins and rattlesnakes. 消防员密斯说：“有位同事看到过14头黑熊，其他人在路上看到过水腹蛇和响尾蛇。
cottonmouth snake [医] 水生铜头蝮蛇
