常見例句Vascular trachied, fibretracheid and libriform wood fibres were also found. 一端為單穿孔板,另一端為梯狀穿孔板的導(dǎo)管;Libriform fibers were short and their wall was thick and scattered with a few simple pits. 韌性纖維短、壁厚、壁上有較少的單紋孔；libriform fibre 韌型纖維libriform wood fiber 韌型木纖維libriform wood fibre 韌型纖維 返回 libriform