buffalo nickel

基本解释

The Buffalo Nickel (or Indian Head Nickel) was the design of the US 5 cent coin from1913 to 1938.
水牛镍（或印度头部镍）是美国5美分硬币从1913设计到 1938年。
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To remind American citizens to protect the environment, the government issued this buffalo nickel.
为了提醒美国公民保护环境，政府就发行了这种野牛镍币。
5xts.com
In order to have the buffalo on the other side of the nickel, he went to the Central Park Zoo to sketch an aging buffalo which was later killed for a wall decoration.
他为了镍币另一面上的野牛，只好在中央公园的动物园素描一只老野牛，这只老野牛后来被宰杀用于床上的装饰。
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