watermarkn.
英 'wɔːtəmɑːk | 美 'wɔtɚmɑrk
中文n. 水印；水位标志\nvt. 在…上印水印（图案）
水印；水位标志
vt. 在…上印水印（图案）
词根词源
watermark (n.)also water-mark, 1708, "distinctive mark on paper," from water (n.1) + mark (n.1). Similar formation in German wassermarke. Not produced by water, but probably so called because it looks like a wet spot. The verb is recorded from 1866. Related: Watermarked.
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