O stands for offering services to help people stop smoking. W is for warning people about the dangers of tobacco.

O代表提供服务以帮助人们戒烟。W是警示人们烟草的危害性。

youdao

The W. H. O. has an influenza warning system in which phase six means that a pandemic is taking place.

世卫组织拥有一套流感预警机制，六级意味着流感病毒的大规模流行。

youdao

The W.H.O.has an influenza warning system in which phase six means that a pandemic is taking place.

VOA: special.2009.06.10

Republicans, including U.S. Treasury Secretary John W. Snow , are warning that a failure to extend the cuts will send the wrong message to the financial markets at a time when Hurricane Katrina is already weakening the economy.

FORBES: Magazine Article

He sent an oblique warning to his superiors that President George W. Bush should delete mention of enemy fire from his remarks, when presenting the award to Tillman's family at his memorial service.

NPR: McChrystal Takes Blame For Rolling Stone Article