Pisa's name comes from a Greek word for " marshy land, " which perfectly describes the clay, mud, and wet sand below the city's surface.

比萨的名字来自希腊语“沼泽地”，它完美地描述了城市地表下的情况——包含粘土、泥土和湿沙。

Thanks to their planting of eelgrass seeds over the marshy land, the once-barren ecosystem is now flourishing, and the seagrasses are storing a ton of carbon in their root systems to boot.

由于他们在沼泽土地上种植了大叶藻种子，曾经贫瘠的生态系统现在变得繁荣起来，海草在根系中储存了大量的碳。

As soon as he got out of the gorge and onto the marshy land behind it, he broke into a stumbling run, every now and then falling flat on his face in the snow.

他一走出峡谷，走上峡谷后面的沼泽地，就跌跌撞撞地跑了起来，时不时地脸朝下倒在雪地里。