凹陷 [－－]

Jyutping au3 haam6
Pinyin āo xiàn

Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）

凹陷 [－－]

Jyutping nap1 ham6
Pinyin āo xiàn

Definitions (粵典–words.hk)
  1. 動詞
    平面​中有​一​點​嘅​高度​比​平均​低
    to concave

凹陷 [－－]

Jyutping nap1 haam6
Pinyin āo xiàn

Definitions (CC-CEDICT)
  1. to cave in; hollow; sunken; depressed
Definitions (粵典–words.hk)
  1. 動詞
    平面​中有​一​點​嘅​高度​比​平均​低
    to concave
Definitions (Wiktionary)
  1. verb
    to cave in; to be sunken
    (syn.) 塌头, 窞肚, 塌方, 塌頭