凹进

Traditional form:

凹進

Pinyin (reading):

āojìn

Definitions:

• concave
• recessed
• dented

Characters:

• 凹 - concave, hollow; depressed; pass, valley
• 进 - to advance, to make progress; to come in, to enter

Traditional characters:

• 凹 - concave, hollow; depressed; pass, valley
• 進 - to advance, to make progress; to come in, to enter