如果不把樹木砍掉
那要如何知道數目的年齡ㄋ
可以幫忙翻譯一下ㄇ?
it i not necessary to cut down a tree to determine its age.
instead, botanist and foresters can employ an increment borer to find out how
old a woody plant is.This device , which resembles a piece with a handle on
one end, removes a plug of wood from the tree perpendicular to the axis
, and the annual rings in the plug can then be counted.
the small hole left in the tree can be treated with a disinfectant
to prevent disease and covered up without harm to the tree.
大概解釋一下就好ㄌ
雖然我用字典查過ㄌ
可是意思連貫不起來所以我跟本不懂他在寫什麼
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