ladder中文解释
n,阶梯；途径；梯状物,同近 n,阶梯；途径；梯状物,同近的英语怎么说
ladder例句She climbed up the ladder..她爬上梯子。
ladder英语解释阶梯；途径；梯状物英释nna piece of equipment used for climbing up to or down from high places. A ladder has two bars that are connected by rungs(= short bars that you use as steps ) .
ladder短语和解释ladder diagram,梯形图.短语
