一凹一凸

jat1 nap1 jat1 dat6

lit. one who protrudes, one who caves in, meaning compatible

凹處

nap1 cyu3

alcove; dent

凹位

nap1 wai2

groove; dent

凹鏡

nap1 geng3

a concave mirror

酒凹

zau2 lap1

dimple (spoken)

凹凸

nap1 dat6

bumpy, uneven; a rabbet in woodworking

凹凸印

nap1 dat6 jan3

embossing

凹凹凸凸

nap1 nap1 dat6 dat6

uneven; bumpy; rough (surface)

凹落去

nap1 lok6 heoi3

hollow; sunken; depressed; sunk; to cave in

凹位

nap1 wai6*2

a recess, a recessed area

凹陷

nap1 haam6

hollow; sunken; depressed; sunk; to cave in | [粵]: 凹落去

凹處

lap1 cyu3

cavity, nick, pocket, recession, pothole

凹口

nap1 hau2

a notch

凹凸不平

nap1 dat6 bat1 ping4

uneven, bumpy

中央凹

zung1 joeng1 nap1

fovea centralis, the area consisting of a small depression in the retina contain