An exercise in which the abdominal muscles are contracted, bringing the torso of a person lying down to a more upright position.
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- (noun) An exercise in which the abdominal muscles are contracted, bringing the torso of a person lying down to a more upright position.
Meanings
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noun An exercise in which the abdominal muscles are contracted, bringing the torso of a person lying down to a more upright position.
例句
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Summary
An exercise in which the abdominal muscles are contracted, bringing the torso of a person lying down to a more upright position.
- (noun) An exercise in which the abdominal muscles are contracted, bringing the torso of a person lying down to a more upright position.
例句
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