基本解釋逕級擇伐同根派生 diameter-limit相關詞英漢例句diameter limit selection cutting 逕級擇伐This lens can magnify 20 diameter. 這個透鏡能放大20倍。The diameter of the tree-trunk is about 2 meters. 這樹乾的直逕大約是2米。The axis of a circle is its diameter. 圓的軸線是其直逕。Surely there is a limit to what one can bear. 人的忍耐肯定是有限度的。diameter-limit更多例句