碳汇量
carbon-sink capacity
全国生态日前夕召开的生态保护修复专题新闻发布会称，目前我国林草年碳汇量超过12亿吨二氧化碳当量，居世界首位。
The annual carbon-sink capacity of China's forests and grassland has exceeded 1.2 billion tonnes of carbon dioxide equivalents, ranking first in the world, according to a press conference on ecological conservation and restoration ahead of National Ecology Day.
