fleetingly
adv. 飞快地,疾驰地
Fleeting is used to describe something which lasts only for a very short time.
The girls caught only a fleeting glimpse of the driver...
女孩们只匆匆瞥了一眼司机。
She wondered for a fleeting moment if he would put his arm around her.
他会不会搂住自己,这个念头在她脑子里一闪而过。
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。
A smile passed fleetingly across his face.
他脸上闪过一丝笑容。
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.