(1)頭蓋に融合する脊椎動物の顎
(2)the jaw in vertebrates that is fused to the cranium
さらに詳しく
(1)口を開けるときに蝶番式に動く
(2)the jaw in vertebrates that is hinged to open the mouth
(1)顎の下の脂肪組織の折り目
(2)a fold of fatty tissue under the chin
