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。

Any of various dark-colored, chiefly nonvenomous snakes, such as the black racer or the black rat snake of North America.

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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。

Any of various dark-colored, chiefly nonvenomous snakes, such as the black racer or the black rat snake of North America.

youdao