音标: 英 ['wɔ:təmɑ:k] 美 [ˈwɔtɚˌmɑrk, ˈwɑtə-]
1. This watermark here guarantees its value and authenticity.
這水印確保了它的價值和權威性
2. Other times is as simple as spotting a fake watermark.
有时却像辨认出伪水印那样简单
3. Proprietary algorithms, plate design, watermarks, encoding techniques.
包括专有算法 底板设计 水印与编码技术
4. 21 years ago, these systems weren't digitally coded or watermarked.
21年前那些系统还没被数字编码或加水印