By the time we had gone seven or eight hundred miles up the river, I had learned to be a tolerably plucky up-stream steersman, in daylight, and before we reached st.

当我船向上游行驶了七八百海里的时候，我已经在白天学习了如何当一个颇为大胆的逆流舵手。

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They heard a stream nearby but decided to wait until daylight to determine whether the water was safe to drink.

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