（69）时间一小时一小时过去，手术正在紧张进行。白求恩严肃的脸上渐渐地露出了笑容，团参谋长从昏迷中苏醒过来了。

(69) As the hours passed, the surgery progressed under intense focus. Gradually, a smile broke through Bethune’s stern face— the division chief of staff was regaining consciousness.