英汉例句双语例句The high concentration aqueous extract of Areca catechu L. had inhibition on the growth of Echinochloa crus-galli, Digitaria sanguinalis;橡胶叶浸提液高浓度下对南瓜的萌发有抑制作用；词组短语短语Echinochloa crus -galli L 稗草