Any of various stiff marsh plants of the genus Juncus, having pliant hollow or pithy stems and small flowers with scalelike perianths.是什么意思_Any of various stiff marsh plants of the genus Juncus, having pliant hollow or pithy stems and small flowers with scalelike perianths.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句