饮用一杯用香蕉、草莓和蓝莓混合而成的泡沫奶昔，不仅美味，它其中所含有的维他命和矿物质还能帮你抵御疾病，增加抵抗力。
Blend a banana, strawberries, and blueberries into a frothy smoothie, and you've got a delicious arsenal of disease-fighting vitamins and minerals.
目前，消防队员使用水、泡沫、粉末及其它物质灭火。
Currently, firefighters use water, foam, powder, and other substances to tame flames.
海水的碱性会使粘液凝固，30秒之内凝成泡沫，数小时后又能变成皮革一样柔韧的物质。
This alkalinity causes the glue to set. It solidifies into a foam within 30 seconds and becomes a flexible, leathery substance over the course of several hours.
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