同根派生 oak fern相关词英汉例句The ivy twined round the oak tree. 长春藤盘绕着橡树。An area overgrown with this fern. 欧洲蕨林被这种蕨覆盖的地带The picture was framed in, light oak. 照片镶在一个橡木镜框里。The trunk of a palm or tree fern. 棕榈树或树蕨的树干Great oak from little acorn grow. 大橡树生于小橡实。oak fern更多例句