S. and Japanese defense officials interpreted it as a possible effort to map and gather intelligence about routes from the East China Sea to the Pacific.

美国和日本的防务官员解释说，这可能是探测东海至太平洋路线的海底地形和搜集情报。

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S. and Japanese defense officials interpreted it as a possible effort to map and gather intelligence about routes from the East China Sea to the Pacific.

美国和日本的防务官员解释说，这可能是探测东海至太平洋路线的海底地形和搜集情报。

youdao