How many maritime expedition did Zhenghe manage in Ming Dynasty?_
How many maritime expedition did Zhenghe manage in Ming Dynasty?_
対于第四句，以下选项中英译正确的是（多选） A: This is PLANS/CNS ZHENGHE B: bearing 095 degrees from you C: distance 5 nautical miles D: speed 20 knots.
対于第四句，以下选项中英译正确的是（多选） A: This is PLANS/CNS ZHENGHE B: bearing 095 degrees from you C: distance 5 nautical miles D: speed 20 knots.
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