watermark 核心词议：
n. 水印；水位标志
vt. 在……上印水印（图案）
watermark 基本解释
速记方法知识扩展
watermark 变化形式
复数： watermarks
中文词源：
watermark
精选例句
1、 Sequences,including their high watermark.
序列，包括它们的高水位标志。
常见考点例句：
- I think a good watermark background should be between 10 % - 15 % opaque .
- 我认为一个好的水印背景的透明度应该在10%－15%之间。
- If the background is light then the watermark should obviously also be fairly light and vice versa .
- 如果背景是淡色的，那么水印当然也要是适度的淡色，反之亦然。
- Because of the difficulty of getting an application through icann 's process , a personalized domain ending will be an authenticity watermark of sorts .
- 因为要通过icann的流程得到一个申请是很困难的，一个个性化的域名后缀将像各种各样的真实性的水印一样。
- Others guard against the small number of counterfeit zimbabwean bills rumored to be in the market by studying the watermark , signature and serial numbers that distinguish genuine bills .
- 另外一些人则通过仔细查看水印、识别标志和序列号来区分真钞，防范据说流传于市场的少量伪造津巴布韦钞票。
- The new notes incorporated additional features , such as holograms that change color when the note is tilted , and vertical watermark bars that become visible when the note is held into light .
- 新钞增加了新的特征，如晃动钞票时颜色会改变的全息图案，迎光可见的纵向水印条。