“回溯”造句

珀西对兰花的痴迷可以回溯到1951年。
Percy's enchant-ment with orchids dates back to 1951.

这个城镇的历史可回溯到中世纪.
The history of the town dates back to the Middle Ages.

注意:我们还要回溯所忽略的字符.
Note that we back up over ignored characters too.

• #回溯