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
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
She was so happy that she shed tears of delight.
她因为太幸福了，所以喜极而泣。
This decline in vigour with the passing of time is called ageing.
生命力随时间的流失而衰退叫做衰老。