incidentally
/ˌɪnsɪˈdentəlɪ/adverb
1
- sentence adverb used when a person has something more to say, or is about to add a remark unconnected to the current subject; by the way顺便提及地：
incidentally, it was many months before the whole truth was discovered.
顺便提一句, 好几个月后才揭开了真相。
2
- in an incidental manner; as a chance occurrence附加地; 偶然地：
the infection was discovered only incidentally at post-mortem examination.
只是在验尸时才偶然发现了这种感染。