（51）雁北深夜，气温降到零下二十多度，刺骨北风夹着雪花，吹得人睁不开眼来。白求恩骑着棕色骏马，穿过山巅、峡谷，一刻不停地向目的地奔去。

(51) In the depths of the night in Yanbei, the temperature dropped to below minus twenty degrees Celsius. Heavy snow and bone-chilling north wind made it difficult for people to keep their eyes open. Bethune rode a brown steed, racing through mountain peaks and valleys without a rest, heading towards his destination.