"背诵诗" 英文翻译是 "recite poetry"。
这个短语来源于英语中 "recite" 一词，意思是背诵或朗诵。而 "poetry" 则是指诗歌。
例句：
"I used to recite poetry to my grandmother when I was a child." (我小时候常常给我的祖母背诵诗歌。)
"The students are required to recite poetry in their pterature class." (学生们在文学课上需要背诵诗歌。)
"He recites poetry at local open mic nights." (他在当地的即兴诗歌晚会上朗诵诗歌。)