Canadian porcupine
(geology) An element which is not a trace element in a given context, and which is present in significant quantity.
A North American porcupine (Erethizon dorsatum).
plural of yellow dog Democrat
(obsolete) A smearing.
昨夜、北米ヤマアラシが塀沿いに餌を探しに来て、木製の柱にいくつかの針を残していった。
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