她的婚纱像蛛网般轻盈，由最精致的薄纱制成。

Her wedding dress was as light as a spider's web, made from the finest ___gossamer.

他的梦想像蛛丝一样脆弱，经不起现实的考验。

His dreams were as fragile as ___gossamers, easily broken by the harsh reality.