...l lenticular depression,r olfactory pit, ok upper jaw, uk lower jaw, k2, k3, k4 first, second andthird gill-arches, a amnion, n umbilical vessel, dyelk-sac... 
Ernst Haeckel 「The Evolution of Man」
...180, except sk curve of skull, ok upper jaw, hbneck-indentation...
Ernst Haeckel 「The Evolution of Man」
ランダム例文：
stimulation exemptions wolfish
便利！手書き漢字入力検索
この漢字は何でしょう？？