人人都赞同这个计划，但是我们征求志愿者时，他们都退缩了。
Everyone approved of the scheme but when we asked for volunteers they all hung back.
你对自然之力的信念，忍耐，重力都无法将你拉回，事实上，他们会自己退缩。
Your beliefs in the nature of strength, endurance and gravity will not hold. In fact, they will be defied.
尽管他们都远离家乡和亲人，尽管他们全都身患各种高原疾病，可是每次他们面对困难，面对恶劣的环境，都从来没有退缩过。
Though they are far away from their hometown and relatives , and they are suffered from all kind of plateau sick. they do not withdraw when they are in difficulty .
尽管他们都远离家乡和亲人，尽管他们全都身患各种高原疾病，可是每次他们面对困难，面对恶劣的环境，都从来没有退缩过。
Though they are far away from their hometown and relatives , and they are suffered from all kind of plateau sick. they do not withdraw when they are in difficulty .
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