Last Updated:2025/12/04
Sentence

穏やかな朝、年老いた船乗りは初期の船速測定装置の使い方を披露し、小さな浮き片を海に投げ、砂時計で甲板の二点間を通過する時間を計った。

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On the calm morning, the old seafarer demonstrated how to use the Dutchman's log, tossing a chip overboard and timing its passage with a sandglass.

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On the calm morning, the old seafarer demonstrated how to use the Dutchman's log, tossing a chip overboard and timing its passage with a sandglass.

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Related words

Dutchman's log

Noun
historical
Japanese Meaning
船の航速を測定する初期の装置。具体的には、船員が船外に浮体を投げ、砂時計でその浮体が甲板上の2点の間を通過する時間を計り、船の速度を推定する装置。
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穏やかな朝、年老いた船乗りは初期の船速測定装置の使い方を披露し、小さな浮き片を海に投げ、砂時計で甲板の二点間を通過する時間を計った。

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