In a US-backed project, it will store 100, 000 tonnes of carbon dioxide annually in a nearby saline aquifer.
这项由美国支持的工程每年将把十万吨二氧化碳存储在就近的咸水含水层里。
2
Cities such as Bogota, Cartagena and Medellin have become safe after a decade-long, US-backed military offensive that has pushed guerrillas deep into the jungle.
十年间美国支持的军事战斗将游击队逼退到丛林深处，波哥大，卡塔赫纳，麦德林等城市才回归安全。
3
Back then, the Hmong were fighters—secret fighters in a 15-year covert US operation backed by the CIA.