健康与医疗系统
Beer could lose its fizz as CO2 supplies go flat during pandemic
Dwindling supplies of carbon dioxide from ethanol plants are sparking concern about shortages of beer, soda and seltzer water - essentials for many quarantined Americans.
Stephanie Kelly is a reporter at Reuters.
Dwindling supplies of carbon dioxide from ethanol plants are sparking concern about shortages of beer, soda and seltzer water - essentials for many quarantined Americans.
Nearly half of registered U.S. voters think American infrastructure has deteriorated in the last five years, a national poll released on Tuesday found, with Republicans taking the dimmer ...