infundibulum of teeth切牙: incisor; incisor teeth凹: low-lying area; depression牙凹陷: depression of tooth月牙凹: crater月牙凹形成: kolkbildung cratering下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:切牙凹，即可在微信中查询翻译
