凹凸 āo tū — bumpy
āo (first tone, high and level) tū (first tone, high and level)ao1 tu1
bumpy
HSK 6· HSK 1–6 (classic)noun
Meanings
bumpy
bumpy; uneven; slotted and tabbed joint; crenelation
noun
bumpy
bumpy
bumpy; uneven; slotted and tabbed joint; crenelation