我是一个小学六年级的学生,经常在放学路上,看到园林工人修剪花草树木。我就在一旁认真观察,发现园林工人大多使用的是那种手握式短柄修剪刀,前面如果有障碍物阻拦就修剪不了。如果想修剪长得高一些的风景树,还要站在梯子上才行,爬梯子剪树叶不仅麻烦,又很不安全。当时,我的脑海中就萌 I am a sixth-grade primary school student, often on my way to school, to see the garden workers pruning flowers and trees. I was careful to observe and found that most of the garden workers use the kind of hand-held short-handle pruner, in front of the block if there are obstacles to cut it. If you want to trim the tall trees that grow taller, but also stand on the ladder Caixing, climbing the ladder is not only troublesome to cut leaves, but also very unsafe. At that time, my mind Meng