"旅游日记" 英文翻译为 "travel diary"。来源是旅游日记是指在旅行过程中记录下的日记，记录旅行中的经历、所见、所闻、所感等。

例句：

I kept a travel diary during my trip to Europe last summer.
(我去年夏天去欧洲旅行期间写了一个旅游日记。)
She shared her travel diary with her friends when she returned from her trip.
(她从旅行回来后和朋友们分享了她的旅游日记。)
He pubpshed his travel diary as a book.
(他把他的旅游日记出版成了一本书。)