Watermarking
(watermark 的现在分词) n. 水位标志, 水印\\nvt. 印水印于
🗣️ 情景例句
That's just what I was thinking.
我正是那么想的。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
We really need that material, you know.
你知道，我们急着需要那批材料。