几十个小时
jǐ shí gè xiǎo shíCommon spoken expression used by native Chinese speakers in daily life.
[Authentic Cinema Evidence Base]
(2 clips)
00:03
(她是在公司脑溢血的) ── Previous context
“And she'd been at the office for dozens of hours straight before death.”
00:02
(这晓丹) ── Previous context
“insisted on taking a train ride that lasts dozens of hours,”