A fern (Dryopteris filix-mas) having rhizomes and stalks that yield an oleoresin used to expel tapeworms.是什么意思_A fern (Dryopteris filix-mas) having rhizomes and stalks that yield an oleoresin used to expel tapeworms.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句