脱落茎

abscission layer───[植]离层

abscission zones───离层带；离层区

abscission zone───离层带；离层区

abscission layers───[植]离层

abscission───n.（枯叶或成熟果实的）脱落；用隔层分离枝、叶、花和树皮

abscissin───横坐标

discissions───n.挑开术

Another chemical in leaves, auxin, controls a special band of cells at the base of each leaf stem, called the abscission layer.───叶子中另外一种化学元素，生长素，控制着每片叶茎低端处一组特殊的细胞，叫隔离层。

• abscission zones
• abscission stem
• abscission verb