Bigonial arc
[医] 双下颌角弓, 下颌前缘弓
🧩 词语组成解析
[医] [连结]二颌角点的
arc
[ɑ:k]
n. 综合症状;弧（度）;天穹;电弧，弧光。;
vi. 形成拱状物;循弧线行进;
abbr. American Red Cross. 美国红十字会;
🗣️ 情景例句
Sure, what do you want?
可以啊。什么事
A man who has friend must show himself friendly.
与朋友交，必须友好相处。
and then there are three thousand million other Milky Ways, or galaxies, in the universe.
况且在宇宙中还有30亿个天河，即银河系。