基本解释匍匐冰草同根派生 英汉例句quackgrass meadow 冰草草甸词组短语短语smut of quack grass 鹅观草黑粉病quack grass tooth 耙齿rust of quack grass 鹅观草锈病choke of quack grass 鹅观草香柱病leaf rust of quack grass 鹅观草叶锈病英英字典柯林斯英英字典 &rarranother name for couch grass