wetness indicator

名词 n.

英文释义

名词 n.
  1. A graphic on the rise (front) of a disposable diaper that fades or changes colour when the diaper is wet.
    — The wetness indicator is a toy block design on the diaper, its colored letters lighten as the inside of the diaper goes from dry to very wet.

词形变化

wetness indicators plural

词源

From wetness + indicator.
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