GbEng
她上大学时经常练跑步. She used to run when she was at college.
他跑步出发,但很快就累得慢下来成了步行。 He started off at a run but soon tired and slowed to a walk.
我们大家都得参加跑步训练, 无人例外. We all had to take part in the training run, with nobody excepted.
她不用学跑步技巧, 她天生就擅跑. She didn't have to learn how to run: she's a natural.