It was seen in waters 90 kilometers south of Tho Chu Island, off Vietnam's southwestern coast.

这一物体是在越南西南海岸外土珠岛以南90公里的海域中发现的。

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It was seen in waters 90 kilometers south of Tho Chu Island, off Vietnam's southwestern coast.

这一物体是在越南西南海岸外土珠岛以南90公里的海域中发现的。

youdao