n.[動]棉口蛇；水腹蛇(=water moccasin產于南美的一種毒蛇)

The intrusion of a cottonmouth was the only thing that could separate us from the cool waters of Jackass Junction. 只有一條棉口水蛇不速而來才會使我們不敢在笨驢口陰涼的水里游泳。

Firefighter Mease said one worker had seen 14 black bears, and others have crossed paths with cottonmouth moccasins and rattlesnakes. 消防員密斯說：“有位同事看到過14頭黑熊，其他人在路上看到過水腹蛇和響尾蛇。

cottonmouth snake [醫(yī)] 水生銅頭蝮蛇