...The effect of a porcupine on a single tree is often easy to assess...
Sydney Anderson 「Mammals of Mesa Verde National Park, Colorado」
...Theeffect of a fluctuating population of porcupines on a mixed forest isnot so easy to assess, but is of more intrinsic interest...
Sydney Anderson 「Mammals of Mesa Verde National Park, Colorado」
ランダム例文:
Harrington sandal scaling
便利!手書き漢字入力検索
この漢字は何でしょう??