Watermarking
(watermark 的现在分词) n. 水位标志, 水印\\nvt. 印水印于
🗣️ 情景例句
Stay on that road, and you'll cross a blue bridge.
沿着路开下去 ，你会经过一座蓝色的桥。
I phoned him last Saturday.
我上个星期六打电话给他。
We'll let you know the next time we need to place an order.
下次需要订购时我们会通知你。