annotation[英][?n?'te?n][美][?n?'te?n]
n.注释;
复数：annotations
例句:
1.
Even on the current ipad, you can annotate files and take written notes in various apps. But the ipad isn't designed at heart for freehand note-taking and annotation, and you'd have to buy an add-on stylus.
即使在目前的ipad上，你也可以通过各种应用程序在文件上做注释和笔记，但ipad从设计初衷上并不支持手写注释和笔记，你得另外买一支手写笔才行。