Definition

Examples

• 这个零件的表面有一个凹槽。
  Zhège línɡjiàn de biǎomiàn yǒu yí ɡè āo cáo.
  There is a groove on the surface of this part.
• 木板上刻了一道凹槽用来固定玻璃。
  Mùbǎn shànɡ kè le yí dào āo cáo yònɡ lái ɡùdìnɡ bōli.
  A slot was carved into the wooden board to hold the glass in place.
• 牙齿的凹槽有助于咀嚼食物。
  Yáchǐ de āo cáo yǒuzhù yú jǔjué shíwù.
  The grooves on teeth help with chewing food.