| 释义 |
rat snake
释义
鸡蛇：各种大型、无毒的游蛇，如Elaphe、Pantherophis、Coelognatuhus等属的蛇，它们主要以啮齿动物（如老鼠和鼠类）和鸟类为食。
例句
1·Any of various dark-colored, chiefly nonvenomous snakes, such as the black racer or the black rat snake of North America.
黑蛇一种黑色，多为无毒蛇类，如北美黑游蛇属黑蛇和食鼠黑蛇。
2·Days later, when an eight-inch snake crawled across her bed, she screamed. Finally, after stepping on a baby black rat snake , she moved.
几天后，一只八英寸长的大蛇钻进了她的被窝里，引得她尖叫不已，最后当她又踩到一直黑色小食鼠蛇，她是在受不了就搬了家。
3·The small Indian mongoose, reaching no more than a foot or two inheight, was originally brought to Puerto Rico and the Hawaiian islandsto protect sugar cane fields from rat and snake damage.
小印度猫鼬不到一二英尺高，原先引入波多黎各和夏威夷群岛，是为了保护甘蔗田免受老鼠和蛇的伤害，结果，猫鼬没有起到控制物种拥挤的作用，其危害却迅速地远远超过预期的野生动物危害。
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