The Napo River itself is wide and brown, opaque, and smeared with floating foam and logs and branches from the jungle.

纳波河河面宽阔，河水混浊，呈褐黄色，浮沫以及丛林里来的木段和树枝翻浮其上。

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For acoustic reasons, the rails are supported on a floating slab, padded with foam rubber, which receives the steel parts.

出于声学考量，轨道通过填充有泡沫橡胶的浮置板支撑，包裹钢部件。

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Discard the foam floating on the surface of the soup, add bok choy and cook until done. add salt to taste and sprinkle with pepper. remove and serve.

撇掉浮在汤面的泡沫，加入青江菜煮熟，并加盐调味，最后撒下胡椒粉即可盛出食用。

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Below, the sea made a thick foam as it thrashed against the rocks, sending an occasional bubble floating to the sky.

BBC: Where waterfalls outnumber people