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请分析一个长句!谢谢!

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/24 08:11:59
请分析一个长句!谢谢!
They were merely putting to use one of the newest methods of location minerals in the ground——using trees and plants as signs that certain minerals may lie beneath the ground on which the trees and plants are growing.
我对using trees and plants as signs that certain minerals may lie beneath the ground on which the trees and plants are growing.
这部分不理解.请分析一下!谢谢!
on which the trees and plants are growing指ground.
that certain minerals may lie beneath the ground on which the trees and plants are growing指using trees and plants as signs
整句就是,他们只用一种新方法确定矿物的位置——因为部分矿物可能就在树和植物生长的地下,所以利用树和植物作为标志寻找矿物.