参赛龙舟先是顺水而下，而后逆水而上，最后冲刺决出输赢。

The participated dragon boat first go along the stream and then go against it, at last sprint for wining.

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最后我们回到河边，但“梅克·哈拉2号”已经顺水而下，回曼谷去了。

We eventually returned to the river, but the Mekhala II was already on her way back down to Bangkok.

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他们的小船顺水漂流而下。

Their boat drifted down the river.

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