Retrognathia
[医] 缩颌, 后退颌, 退缩颌
🗣️ 情景例句
Good. OK.
好的。
I caught you!
给我逮到了吧！
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。