暴风雨过后，墙上的水痕清楚地显示了潮水最高到达的位置。

After the storm, the ___tidemark on the wall showed how high the water had risen.

浴缸边缘有一圈淡淡的水渍痕迹，是水蒸发后留下的。

There was a faint ___tidemark around the bathtub where the water had evaporated.