从不: never...
冒: to emit, to give off, to send out (or up, forth), to brave, to face, reckless, to falsely adopt (sb's identity etc), to feign, (literary) to cover...
武器: weapon, arms...
渊源: origin, source, relationship...
隔离: to separate, to isolate...
坝: dam, dike, embankment...
空调: air conditioning, air conditioner (including units that have a heating mode)...
分担: to share (a burden, a cost, a responsibility)...
高速: high speed...
好处: benefit, advantage, gain, profit, also pr....