Watermarking
(watermark 的现在分词) n. 水位标志, 水印\\nvt. 印水印于
🗣️ 情景例句
Lies cannot hide facts.
谎言掩盖不了事实。
On a crowded train, one comes in contact with many people.
在拥挤的火车里面，会和许多人接触。
That was all she remembered.
她所记得的就是这些。