diamondback rattlesnake

diamondback-rattlesnake的词性：
n.（名词）

1. Either of two large venomous rattlesnakes (Crotalus adamanteus or C. atrox) found in the southern and western United States and in Mexico and having diamond-shaped markings on the back.
菱背响尾蛇：两种较大的有毒响尾蛇（东部菱斑响尾蛇 或 西部菱斑响尾蛇） 之一，发现于美国和墨西哥的南部及西部，在其背部有菱形花纹