Beijing is faced with an uphill battle to improve deteriorating air quality and alleviate traffic jams caused by the surge in car use.
北京正在加紧提高空气质量，减少交通堵塞状况，这些都是因为汽车的增加而造成的。
The world is facing an uphill battle to reduce air pollution which has led to a series of health hazards.
全世界都在积极对抗空气污染，空气污染会对我们的健康造成危害。
Still, their ability to influence the battle both in the air and on the ground gives multirole fighter-pilots an exceptionally versatile weapon.
尽管如此，通用战斗机可以同时通过空中战斗和对地打击来影响占据，这使得玩家可以非常灵活地选择武器搭配。
To this end, the Japanese launched the South to open up lines of Henan Hunan, Guangxi, China battle in an attempt to destroy one air base in Southwest China.
为此，华南日军发动了旨在打通大陆交通线的豫湘桂战役，企图之一就是要摧毁中国西南空军基地。
To this end, the Japanese launched the South to open up lines of Henan Hunan, Guangxi, China battle in an attempt to destroy one air base in Southwest China.
为此，华南日军发动了旨在打通大陆交通线的豫湘桂战役，企图之一就是要摧毁中国西南空军基地。
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