A mile-stone for humanity 人文的里程碑
When the tide ebbs, you can paddle out for a mile and barely get your ankles wet.
退潮时,你可以蹚水走出1英里远而几乎湿不到脚踝。
Do this for a mile or so (eight to 12 strides).
这样跑一英里左右(大跨步8到12步)。
You can start adding speed by warming up for a mile and then running at a faster pace (breathing heavy but still in control) for a minute and then recovering at an easy pace for a minute.
你可以先跑个加速度的一英里来热热身,再加速度跑个一分钟,然后再恢复到一个平缓的速度跑个一分钟。
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