這一組中包括黃酮類化合物, 二苯甲酮 、 一些香豆素 、 木質(zhì)素 、 縮合單寧和芪.The group includes flavonoids, benzophenones, some coumarins, lignans, condensed tannins, and stilbenes.木質(zhì)素是次生壁成份的特征.Lignin is a characteristic component of secondary walls.橡木酒桶神...
Using this machine can fully utilize the rattan brushwood in forest areas.采用這種機(jī)械可充分利用林區(qū)藤條灌木.The ball is made of rattan — a natural fibre.這個(gè)球是由一種天然纖維——省藤制成的。The rattan and wrought-iron chair pictured here costs £125.這張圖片中...
A small crowd attempted to pull down a statue.一小伙人試圖推倒一尊塑像。I always hated that statue. It gave me the creeps.我一直都很討厭那座雕像。它讓我心里發(fā)毛。There are factors, however, that have cast doubt on the statue's authenticity.然而,有些因素讓...