cherry picker

cherry-picker的词性：
n.（名词）

1. A mobile crane having a maneuverable vertical boom, at the top of which a passenger can do such work as tree pruning and street-light maintenance.
移动升降台：一种可移动的具有可调的垂直支臂的升降台架，人可站在顶部做剪树枝和修路灯等工作