Citigroup posted a net loss in 2008, obviating a percentage comparison.花旗集团净亏损在2008年, 排除的百分比比较.Objective To observe the curative effect of heavy - oxygen - enriched water ( HOEW ) on obviating acute high altitude reactio...

v.避免，消除（贫困、不方便等）( obviate的现在分词 )...

obviating的音标：...