It thrives in cold, deep, subarctic water.

这让它得以在冰冷的亚北极地区的深海生长壮大。

Subarctic temperatures will force us underground for a billion years.

到那个时候我们就要在地下住好几十亿年呢！

Humans have only migrated into temperate and subarctic latitudes in the last hundred thousand years or so.

人类在过去大约 10 万年里，才迁移到温带和靠近北极地区。

They figured out  that by living in the subarctic they can refrigerate their food  by simply burying it in the snow.

他们发现，通过生活在亚北极地区，他们可以通过简单地将食物埋在雪中来冷藏食物。

Overall, the reviewers didn't recommend taking vitamin C unless you're undergoing extreme physical stress—like if you're a marathon runner or doing military training in the subarctic.

总的来说，研究这并不建议服用维他命C，除非你感觉正在经历极度的身体压力——比如说你是马拉松跑步运动员，或者是在亚北极做军事训练。

C denotes a temperate climate compared  to, say, tropical or subarctic, while f denotes year round rain, and either  a or b denoting a hot or warm summer.

C 表示与热带或亚北极相比较为温和的气候，f 表示全年降雨，a 或 b 表示夏季炎热或温暖。

All these areas would be considered temperate compared  to subarctic, continental or tropical zones, with no extreme winter temperatures, and some  relief from heat at some time in the year.

与亚北极、大陆或热带地区相比，所有这些地区都被视为温带地区，冬季没有极端气温，一年中某些时候的炎热程度有所缓解。