footnotes
A footnote is a note at the bottom of a page in a book which provides more detailed information about something that is mentioned on that page.
Chaumette then added a footnote to the document.
肖梅特又在文件中加了一个脚注。
a footnote in the Byzantine Book of Hours.
《拜占庭祈祷书》中的一个脚注。
If you refer to what you are saying as a footnote, you mean that you are adding some information that is related to what has just been mentioned.
As a footnote, I should add that there was one point on which his bravado was more than justified.
作为补充说明,我应该再加一点,他表现得过于逞强。
If you describe an event as a footnote, you mean that it is fairly unimportant although it will probably be remembered.
I'm afraid that his name will now become a footnote in history.
我认为,他的名字在历史中恐怕将变得不再重要。