The Pentagon has released video of what it said was a Russian fighter jet forcing down a U.S. Air Force surveillance drone over the Black Sea.

五角大楼公布了一段视频，该视频显示一架俄罗斯战斗机在黑海上空击落了一架美国空军无人侦察机。

Now, we start today with news from the Black Sea, where a Russian fighter jet forced down a U.S. Air Force drone this week after damaging the propeller.

今天的新闻从黑海开始，本周，一架俄罗斯战斗机破坏了一架美国空军无人机的螺旋桨，致使其遭遇坠毁。

The United States has accused Russia of being reckless and unprofessional after alleging a Russian fighter jet forced a US surveillance drone to crash into the Black Sea.

在指控俄罗斯战斗机迫使美国无人侦察机坠入黑海后，美国指责俄罗斯鲁莽和不专业。