Once open, remove the black foam stuck onto the back of the outside-facing vents and put everything back together.

打开以后，把通风孔后面的黑色泡沫阻挡物移除，重新把所有东西组装回去。

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And about the beauty of the shoreline when seen from a buoyant lump of foam and fibreglass, while you get your breath back and wait for the next wave to come.

又比如在你重新呼气等着下个波浪再袭来时，你从透过漂浮的泡沫和水花中观看海岸会发现它是如此美。

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They can be used to support your head, neck, lower back, arms or feet and may be filled with beans, foam or air.

它们可用于支持你的头，颈部，腰部，手臂或脚可能与豆类填补，泡沫或空气。

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She waved from our ships upon the briny foam And now they've about quit waving her back here at home.

VOA: special.2010.07.02

The Maya poured the chocolate drink back and forth between two containers so that the liquid had a layer of bubbles,or foam.

VOA: special.2010.02.17

To mimic the curved spine of the poet, who died in 1999, he designed a foam sphere that he put under his back.

WSJ: At Sundance, a New Crop of Future Oscar Hopefuls

The problem is at the back of the fridge where there is a large amount of foam insulation, which is highly flammable.

BBC: Safety experts call for new guidelines on appliances

Sitting on a hard foam wedge on chairs during the school day reduced back pain in teens by 58% compared with those not using the wedge, says a report in the journal Physiotherapy.

WSJ: Back Pain: Not Just for Adults