where's the arctic?
全部释义和例句>>
北极在哪里?
Across the Arctic, where Earth's magnetic field affords the least protection, theseparticles penetrated to an altitude of 50 kilometers and deposited additional energyin the ionosphere.
在整个北极(地球磁场保护力最弱的地方)上空,这些粒子穿透到50公里高处,并将多馀的能量释入电离层。