Robots capable of operating four kilometres below the ocean surface were used to find the recorder which is said to be in good physical condition.

能够在海面以下四千米深度作业的机器人们找到了保存状况完好的黑匣子。

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Robots capable of operating four kilometres below the ocean surface were used to find the recorder which is said to be in good physical condition.

能够在海面以下四千米深度作业的机器人们找到了保存状况完好的黑匣子。

youdao