灯塔的信号灯把轮船引向港口。
位于东南沿海的港口城市釜山是韩国第二大城市。4月,釜山着手测试一种名为“灯塔”的袖珍设备。
In April, the southeastern port city of Busan, south Korea's second-largest city, began testing a small device called a beacon.
位于东南沿海的港口城市釜山是韩国第二大城市。4月,釜山着手测试一种名为“灯塔”的袖珍设备。
In April, the southeastern port city of Busan, south Korea's second-largest city, began testing a small device called a beacon.
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