2025-08-10 22:10:15 浏览次

watermark是什么意思 英[ˈwɔːtəmɑːk] 美[ˈwɔːtərmɑːrk] n. 水位标志, (纸张上的)水印;vt. 印水印于n. a distinguishing mark impressed on paper during manufacture; visible when paper is held up to the...