Bark protects tree.
Meaning: This means that the bark of a tree helps to keep it safe from harm. It's a way to describe the function of bark.
Choice of Words: Bark is the outer covering of the trunk of a tree. Protects is a verb that means to keep safe from harm or injury. Tree is a tall plant with a wooden trunk and branches that grow leaves. So, "Bark protects tree" means that the bark of a tree keeps it safe from harm or injury.
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Related Expressions