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1. The robot navigator was programmed to navigate through the city streets.
这个机器人导航员被编程来在城市街道上导航。
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2. The robot navigator was used to guide tourists around the museum exhibits.
这个机器人导航员被用来引导游客参观博物馆的展览。
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3. The robot navigator was responsible for monitoring traffic flow and ensuring safety on the highway.
这个机器人导航员负责监控交通流量，确保高速公路上的安全。