每天早上在跑步机上做半个小时的锻炼。

I try to do half an hour's exercise on the treadmill every morning.

弱读：to

连读：half an hour

treadmill [ˈtredmɪl]  n.枯燥无味的工作(或生活方式);(尤指旧时由人或牲畜踩动踏板使之转动的)踏车;(锻炼身体的)跑步机，走步机=ride-machine