I think I saw her, fleetingly, at a football match.
我想我在一场足球赛上匆匆见过她一次。
柯林斯例句
A smile passed fleetingly across his face.
他脸上闪过一丝笑容。
柯林斯例句
The quarks and gluons indeed break out of confinement and behave collectively, if only fleetingly.
夸克与胶子确实打破牢笼而表现出集体行为, 虽然这种状态转瞬即逝.
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