Ellagitannin, the main tannin in oak, is an important factor influencing the quality of grape wine in oak barrel.

鞣花单宁是橡木中的主要单宁，是影响橡木桶贮葡萄酒质量的重要因素之一。

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Our factory is located in Baiyun District of Guangzhou City, Guangdong, Main Jewelry box, wine barrel pot of tea, perspex products, cosmetics, such as a round box.

我厂位于广东广州市白云区，主营首饰圆盒、红酒罐茶叶筒、有机玻璃制品、化妆品圆盒等。

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The lens barrel part is connected to a main body by a hinge unit so that it can be rotated with respect to the main body.

镜筒部分是连接到一个主体由一个铰链组，这样就可以与有关主体旋转。

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At the Agroturismo Vinya d'en Palerm in Sant Miquel, the Palerm family - farmers of this land since 1898 - make their own wine in a vast plastic barrel just behind the main house.

BBC: The three colours of Ibiza

Democracy would be a far more persuasive model than Chinese or Russian autocracy if some of its main proponents were less eager to believe that the open society comes out of the barrel of a gun.

NEWYORKER: After America