leaf sheathli:fʃi:θ短语¹⁴⁴⁹⁷²⁺² 基本例句 叶鞘 The result showed that the first leaf sheath length increased significantly than control, but seedling height and the second leaf sheath increased slightly in GA3 soaking experiment. 结果表明， GA3浸泡处理的幼苗第一叶鞘长度较对照显著增加，苗高和第二叶鞘长度增加效应不显著； cnki