1.  dimple
2.  recess

• 1. 凹座: recess | dimple | Female | saddle
• 2. 吊卡凹座: elevator recess
• 3. 气门弹簧凹座: valve spring recess

更多释义

• 1.具有发光二极管的一块印刷电路板和装在上面的一个二极管整流桥被容纳在一个凹座中。
  A printed circuit board having light emitting diodes and a diode rectifier bridge mounted thereon is retained in a recess formed in the base portion of the light reflector.
  dict.yoduao.com
• 2.阿曼一座新月形的沙丘脊由强信风吹成，在迎风的方向（图左侧）形成一面平缓的凸破，在背风面形成凹坡。
  This crescent-shaped ridge of sand dune in Oman was formed by strong trade winds that form a smooth hill facing the wind (left) and concave slipface on the back.
  dict.yoduao.com

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