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Undersurface
01
the bottom surface of an object
例子
The plane's undersurface was inspected for any damage after a rough landing.
The painter carefully coated the undersurface of the table to protect it from moisture.
The undersurface of the leaf was covered in tiny, fuzzy hairs.
The undersurface of the rock had a layer of moss that grew in the damp, shaded area.
Researchers studied the undersurface of the glacier to understand how it was melting.
