wèi le / jiǎn shǎo / tàn pái fàng / xǔ duō / guó jiā / dōu / zài / dà lì / fā zhǎn / qīng néng yuán

为了减少碳排放，许多国家都在大力发展氢能源。

In order to reduce carbon emissions, many countries are vigorously developing hydrogen energy.