youdao

He would stay for hours at a stretch in the laboratory.

他能一连几个小时呆在实验室里。

youdao

Today I really swam to my heart's content. I did 3,000 metres at a stretch.

今天我一口气游了三千米，真过瘾。

《新英汉大辞典》

The woman had to travel overseas once a month for three or four exhausting days at a stretch.

FORBES: When You Just Don't Fit In At The Office

Like most nannies, though, the virtual babysitter will work for only eight hours or so at a stretch.

ECONOMIST: For the child who has everything | The

Which is not bad, if you don't mind being cooped up in a boat for weeks at a stretch.

ECONOMIST: The shrimping industry