The guide told us to look sharp because there are rattlesnakes around.

向导要我们特别留神,因为附近有响尾蛇.

《现代汉英综合大词典》

Rattlesnakes belong to the viper family.

响尾蛇属于蛇科.

《简明英汉词典》

Swarms of gnats and mosquitoes pestered them. Rattlesnakes and grizzly bears were a constant threat.

一群一群的蚋及蚊子不停的纠缠著他们, 而响尾蛇及灰熊则持续的威胁著他们的生命.

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Vipers ( adders ) and rattlesnakes manufacture the blood poison, which is known as haemolytic.

蝰蛇 ( 小蝰蛇 ) 和响尾蛇产生血液毒素, 称为溶血性毒液.

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