持续不断的袭击表明，俄罗斯与乌克兰之间不断升级的海上战争正演变为对北约的重大挑战。
Unabating attacks show how the escalating maritime war between Russia and Ukraine is expanding into a major challenge for NATO.
日本时报
黑海战争扩大，考验北约红线War widens in the Black Sea in a test of NATO red lines
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