整形
参考答案：
通过一定的修剪措施来形成栽培所需要的树体结构形态，表达树体自然生长所难以完成的不同栽培功能。
The man moved forward and looked over the edge,shrinking his shoulders.
A．accurately
B．cautiously
C．brilliantly
D．disappointedly
避雷器型号各字母代表的意思是什么？
