mass loading

例句：

1. 1. The train has to carry a lot of goods for the long journey.
   火车必须携带大量的货物进行长途旅行。
2. 2.The ship is loaded with cargo for the next port.
   这艘船满载着货物准备前往下一个港口。
3. 3. The company is looking into ways to reduce its carbon footprint by mass loading renewable energy sources.
   该公司正在研究减少其碳足迹的方法，通过大量装载可再生能源。