而且他的面孔光润, 颚骨下陷.And then his face was smooth , with a receding jaw.强壮齿龈和颚骨, 减少疾病传染.Strong gum and jaw bone, to reduce the spread of the disease.她们嘴唇纤薄,眼睑象纸似的扑闪, 颚骨见棱见角, 喉结突出,心灵枯萎.They have thin lips and papery eyelids, bo...
人体最硬的骨头是下颚骨(颔骨)?The hardest bone in the human body is the jawbone.龟龟的耳鼓膜通常在下颚骨的后边.The ear scales , the tympanic membranes , are the two large'scales'just behind the jaw - bone....