A thin fold of skin, that covers and protects the eye.
An extensive, uncultivated tract of level or rolling ...
The world's longest venomous snake – growing up to 5.6 m ...
An essential respiration organ in many air breathing ...
Many marine fishes, do not reside in any particular area. ...
Complex: A carbohydrate composed of two monosaccharides. Si ...
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คำศัพท์
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