（短暂）涉猎；（短期）涉足
a short involvement in a new activity
A teacher by profession, this is her first excursion into writing. 她的职业是教师，这是她首次涉足文学创作。
The orchestra has given us several excursions into little-known repertoire.
Critics thought very little of the actress's excursion into directing.
The book is full of fascinating excursions into topics such as fairies and mythical beliefs.
He made a brief excursion into local politics before going on to be a lobbyist.
See also: excursion