常見例句diameter limit selection cutting 徑級擇伐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. 這樹干的直徑大約是2米。The axis of a circle is its diameter. 圓的軸線是其直徑。Surely there is a limit to what one can bear. 人的忍耐肯定是有限度的。Measure the diameter of this circle. 量一下這圓的直徑。 返回 diameter-limit