同根派生 英汉例句After the adsorption,water hyacinth biogas fermenting is also improved.经过吸附处理后的水葫芦自身的产气效率也有所提高。And imported water hyacinth plants are choking some parts of the Yangtze River and the Pearl River.而进口的水葫芦正在淤塞长江和珠江的部分河段。