...Uric acid then is not present inthis case; and the substance must be guanine, an alkaloid known to bethe urinary product of the Spiders...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
ランダム例文:
cruciferous Thornton mucus
便利!手書き漢字入力検索
この漢字は何でしょう??