Each biome contains multiple ecosystems, and all but the most frigid arctic regions are supported by plants.

每个生物群落都包含多个生态系统，除了最寒冷的北极地区外，所有地区都由植物支撑。

The arctic region with the beautiful northern lights.

拥有美丽北极光的北极地区。

The US State Department has said president Biden plans to appoint an ambassador for the arctic region, an appointment subject to Senate confirmation.

美国国务院称，拜登总统计划任命一名北极地区大使，这一任命有待参议院批准。

And then there's the problem of where it's located in frozen arctic regions or in ocean waters off the Atlantic coast and up to a mile down.

然后是它位于冰冻的北极地区或大西洋沿岸以外一英里以下的海水中的问题。

Further, the inspector general report said, " most installation leaders at the six installations we visited in the Arctic and sub-Arctic region were unfamiliar with military installation resilience planning requirements, processes, and tools."

此外，监察长报告称，“我们在北极和亚北极地区访问的六个设施处的大多数设施负责人都不熟悉军事设施的恢复力规划要求、流程和工具。”

The base of this arctic region is girdled by a belt of crumbling lava measuring about 1000 feet in vertical breadth, and is mostly free from snow in summer.

这个北极地区的底部被一条垂直宽度约为 1000 英尺的破碎熔岩带环绕，夏季几乎没有积雪。