These plants float on the surface of the water.

这些植物漂浮在水面上。

《牛津词典》

Plants like duckweeds float on the surface of still and slow-moving waters, while those with roots and flexible stems can stand in swift -flowing streams.

像浮萍一样的植物漂浮在静止和缓慢流动水面上，而那些有根而且茎干柔软的植物能在快速流动的溪流中站立。

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Plants like duckweeds float on the surface of still and slow-moving waters, while those with roots and flexible stems can stand in swift-flowing streams.

像浮萍这样的植物在静止和缓慢移动的水域漂浮，而那些长着根和易曲的茎的植物却可以在湍急的水流中生长。

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