常見(jiàn)例句用作形容詞 (adj.)Achenes included in persistent perianth, dark brown, shiny, ovoid, biconvex, smooth.瘦果在宿存花被內(nèi)藏,暗褐色,發(fā)亮,卵圓形,兩麪凸,光滑。 返回 biconvex