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
All right. OK.
好吧。行了。
It's time for class.
上课时间到了。
who produced it with a flourish and pointed out a microscopic 'o' beside the time of the arrival of the train at his station;
站长拿着时刻表一挥手，指着那趟列车到站时刻旁边一个很小的圆圈标记。