素す通どおし

noun

transparent; plain (glass or glasses)

Describes glass or lenses that are clear, without tint, pattern, or prescription. Often used for plain eyeglasses or window glass.

• この窓まどは素す通どおしのガラスなので、外そとがよく見みえる。

  This window has plain glass, so you can see outside clearly.

• 彼かれは素す通どおしのメガネをかけている。

  He wears plain glasses (non-prescription).