凹槽
āo​cáo

groove

  • created sense approved 凹槽 · āo​cáo · groove

    凹槽

    āo​cáo

    groove

    a long, narrow channel or depression cut into a surface, such as a fillister, often used for fitting or movement

    这种木板边缘有一个凹槽，方便两块板子拼接。

    noun

    created sense

  • created sense approved 凹槽 · āo​cáo · recess

    凹槽

    āo​cáo

    recess

    a hollowed-out space, indentation, or notch in an object or surface

    墙上的这个凹槽是专门用来摆放艺术品的。

    noun

    created sense