上颌
1. 上颚：upper arm 上臂 | upper jaw 上颚 | upper limb 上肢
2. 上颌：unsymptomatic infection 顿挫型感染 | upper jaw 上颌 | upper jaw bone 上颌骨
3. 上颌;上颚：upper epidermis上表皮 | upper jaw上頜;上顎 | upper Mesozoic中生代上期
4. 上卡爪：Upper Claw 上爪钩 | upper jaw 上卡爪 | Upper Pipe Rams 上闸板
1. Its jaw pressed down on its chest, which caused a narrowing of the upper airway and led to breathing difficulties.
2. She also has no maxillas, a pair of bones in the skull which form the upper jaw.
3. They also found a healed bone fracture above his upper left jaw, which matched a stab wound the king suffered during an assassination attempt in 1594.
4. Doctors took parts of her ribs to make cheekbones and fashioned an upper jaw from one of her leg bones.
noun
1. the jaw in vertebrates that is fused to the cranium
Synonym: upper jawbone maxilla maxillary