signal buoyの例文

例文

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1. Officials have said the Jessica ran aground after a signal buoy was mistaken for a lighthouse.
2. Russian lookouts observed the Western signal buoy, but attempts to retrieve it failed in high seas, he said.
3. He said Russian lookouts had seen a signal buoy of the type used by Western fleets to send emergency messages to their bases.
4. The only way to signal rescue efforts to the proper region is to get a signal buoy to the surface in a small dinghy.
5. Looking at the navigation chart, in which a signal buoy was mistaken for a lighthouse, the accident was definitely caused by human error,