这次参加试航的时候，这部分是由一块透明的塑料布保护起来的。
At the time of attendance, this was protected by a clear plastic sheeting.
在海上试航三天后，我就确信双层船身理论是错误的。
Three days at sea convinced me the double-hull theory was wrong.
它是真实的，但是如果尝试航行去那里就有点愚蠢了。
It's real enough, but you'd be foolish to try to sail there.
它是真实的，但是如果尝试航行去那里就有点愚蠢了。
It's real enough, but you'd be foolish to try to sail there.
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