Once this little bad boy stole the key of the pantry6), and slipped in there and helped himself to some jam, and filled up the vessel with tar, so that his mother would never know the difference;

一次，吉姆这个坏家伙偷了厨房的钥匙，悄悄地溜进去，偷吃了果酱，又把果酱瓶里装满了焦油，这样他的母亲就永远不会看出破绽；

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The nano-adsorber was filled into the filter tip, cigarette tar can be reduced by the adsorption .

将纳米吸附剂施加于过滤嘴棒中，可提高嘴棒的吸附、过滤效率。

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Environmentalists dislike it because it would be filled with oil from Alberta's tar sands, the extraction of which involves copious emissions of greenhouse gases.

环保主义者不喜欢这个提议，因为这种从艾伯塔省油砂中提炼出来的石油会在运输过程中散发出大量温室气体。

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For their calculations, the two assumed that where there was a gap between demand and conventional supply it would be filled with synthetic fuels, first with tar-sands oil and later with oil from coal and shale. (According to high-end estimates, coal and oil shale could together yield some ten trillion barrels of unconventional crude.) They then calculated what the impact would be on global carbon-dioxide levels.

NEWYORKER: Unconventional Crude