橄榄树一直是宝贵的食物和石油来源。
The olive tree has always been a valuable source of food and oil.
它们生活在树上，树给他们提供了食物、水源及休憩之地。
They live in trees and depend on them for food, drinking and also for resting places.
利用树联网，植物可以彼此分享信息，甚至食物。
Using the wood wide web, plants can share information and even food with each other.
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