RNA ladder
【建筑】有上翻式阶梯的梯子（活梯）
ladder with tip-up steps (stepladder)
暂无补充释义。
相关词条
ladder
protein ladder
ladder
gallb ladder holds the office of justice; decision emanates from it
ladder-back
rope ladder
ladder-tape
ladder with tip-up steps (stepladder)
暂无补充释义。
RNA ladder
ladder
protein ladder
ladder
gallb ladder holds the office of justice; decision emanates from it
ladder-back
rope ladder
ladder-tape