tidemark

名词 n.
中文释义

英文释义

名词 n.
  1. a line (of seaweed or differently coloured sand etc) on the shore showing the level of high or low tide
  2. any mark showing the limit of some past activity broadly
  3. a line of scum left on a bath tub when the water is drained away humorous

词形变化

tidemarks plural

词源

From tide + mark.
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