This was a seven-week cruise, and this is us, having made our own maps of about 75,000 square kilometers of the seafloor in seven weeks, but that's only a tiny fraction of the seafloor.
那是一个为期七周的航程， 这就是我们自己做的地图， 在七周时间里，我们描绘了 大约75,000平方公里的海底地图， 但那也只是整个海底的微小部分。