1. Most of the gas comes from bovine burps, which are 20 times more potent than carbon dioxide as a greenhouse gas.
2. burps的解释
2. Argentine scientists are taking a novel approach to studying global warming, strapping plastic tanks to the backs of cows to collect their burps.
3. burps在线翻译
3. Louder than a pile driver, his burps can be heard from a distance of 30 metres.