In the deep freeze, -35oC and swirling with snow, the skin of the fuselage creaked, and the rotor slowly picked up speed, giving off a heavy throb in the thin air.
攝氏零下三十五度的低溫，強風夾著雪糝，直昇機的蒙皮喀喀作響，螺旋槳慢慢加速，在稀薄的空氣中發出悶重的啪啪聲。