With the bottom of the projection of a white transparent container filled with water, then drip in the water the color ink or oil-based paint.

用一个装满水的白色透明容器的投影的底部，然后在水面点滴彩墨或油基的颜料。

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Replace saturated animal fats with unsaturated vegetable oil-based fats.

选用不饱和脂肪的植物油，取代饱和脂肪的动物油。

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Dalli said the potato will produce starch for paper production to help save "raw materials, energy, water and oil-based chemicals".

达利说，这种马铃薯中含有的淀粉可以用于造纸，由此会有助于节省“原材料、能源、水和从石油中提炼的化合物。”

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Until now, Homer had used oil-based paints.

VOA: special.2010.07.25

and it's an oil-based nation,

国家收入主要依靠石油。

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History has shown that oil-based power politics can be used as a valuable weapon.

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They can also be caused or aggravated by long-term use of oil-based creams or cosmetics.

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They try cooking ketchups in different ways, using dry spice blends or oil-based ones.

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