They found out there was a hole in the floor of the boat.
他们发现船底有个洞。
Back in 2000, when I was "fresh off the boat," as the not-so-nice folks say, I worked on the 24th floor of an office building in Seattle.
回到2000年,我还“刚从偷渡的船上下来”,一个不是很友好的人说的。我在西雅图的一栋建筑的第24层工作。
Bathymetric (or sea floor terrain) data is often collected from boats using sonar to take measurements of the sea floor. The lines reflect the path of the boat as it gathers the data.
水深(或海底地形)的数据往往是在船只上使用声纳测量海底采集的。
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