论文部分内容阅读
在冬季,面对严寒,有些人从容自若,没有惧色,耐寒力强,而有些人却显得胆怯,比较怕冷,耐寒力差。这是何故?
In winter, in the face of severe cold, some people are calm, fearless and hardy, while others are timid, cold and hardy. Why is this?