incidentally的词典解释

1. 附带地，附带提一下，顺便提一句，附带说说，随附地，顺便地
2. 偶然地，不经意地，凑巧，意外地
3. 突然

1. introducing a different topic; in point of fact;

   "incidentally, I won't go to the party"
   

2. of a minor or subordinate nature;

   "these magnificent achievements were only incidentally influenced by Oriental models"
   

1.顺便谈及;顺便提一下
You useincidentally to introduce a point which is not directly relevant to what you are saying, often a question or extra information that you have just thought of.

e.g. 'I didn't ask you to come.Incidentally, why have you come?'
“我没有叫你来。顺便问一下,你为什么过来?”
e.g. The tower,incidentally, dates from the twelfth century.
那座塔,顺便提一下,可以追溯到 12 世纪。

2.附带地;伴随地
If something occurs onlyincidentally, it is less important than another thing or is not a major part of it.

e.g. The letter mentioned my great-aunt and uncle onlyincidentally.
信中仅附带提到了我的姑奶奶和叔叔。

1. Incidentally,I think you still owe me some money.
   顺便说一句,我想你还欠我一些钱。
2. Incidentally, why don't you sent me a photograph of yourself?
   顺便提一下,你为什么不寄给我一张你的照片呢?

1. incidentally是表示“换题”的衔接词,意为“随便说及地”,说话者用以引入临时想到补充要说的事情。