Running ____ _____ is too hard ___ him.翻译：跑步锻炼对他来说太难了
问题描述：
Running ____ _____ is too hard ___ him.
翻译：跑步锻炼对他来说太难了
答
as exercise to
答
跑步锻炼对他来说太难了
Running for exercise is too hard for him.
保证准确率~