1806; see section (n.) + -al (1). Noun meaning "piece of furniture composed of sections which can be used separately" is attested by 1961, from sectional seat, sectional sofa, etc. (1949).
实用例句
1. the sectional interests of managers and workers
管理层和广大工人的不同利益
来自《权威词典》
2. Perhaps the opposed parties will lay aside their sectional interests and rise to this challenge.
也许各反对党会撇开派系利益，迎接这一挑战。
来自柯林斯例句
3. He criticized the selfish attitude of certain sectional interests.
他批评了某些利益团体自私自利的态度。
来自辞典例句
4. The resistance is halved if the cross - sectional area is doubled.
如果截面积增加一倍,则电阻减少一半.
来自辞典例句
5. The cross - sectional areas of the pore openings vary along their length.
