It was written more than 1, 300 years ago in a neat hand using ink made of oak-gall nuts mixed with carbon.

1300多年前，一双巧手用橡木汁混合木炭制成的墨水写就了这本巨作。

youdao

It was written more than 1,300 years ago in a neat hand using ink made of oak-gall nuts mixed with carbon.

1300多年前，一双巧手用橡木汁混合木炭制成的墨水写就了这本巨作。

youdao

The technology conditions for preparation of active carbon from oak wood waste by zinc chloride activation and the factors influencing of the activation were investigated.

研究了氯化锌活化废柞木屑制备活性炭的工艺条件，探讨了浸渍比、活化剂浓度、活化时间和活化温度对活化效果的影响。

youdao

The WMO numbers follow the recent release of data from the US Oak Ridge National Laboratory, showing a huge surge in carbon dioxide emissions from 2009 to 2010.

BBC: No let up in greenhouse gas rise

The rum is aged in a combination of new un-charred American oak and used American Whisky barrels, and then blended with older rums for consistency and carbon filtered to create a light and complex rum.

FORBES: For Bartenders, By Bartenders: Deluxe New Gin, Rum, Tequila And Vodka