You use gossamer to indicate that something is very light, thin, or delicate.
例句
...the daring gossamer dresses of sheer black lace.完全以黑色蕾丝为材质的样式大胆的轻薄衣裙
英汉词典释义
adj.
轻而薄的, 薄弱的; 虚无飘渺的, 幻影似的
a gossamer justification站不住脚的辩解
英英词典释义
Noun
1. a gauze fabric with an extremely fine texture
2. filaments from a cobweb
Adjective
1. characterized by unusual lightness and delicacy;
"this smallest and most ethereal of birds""gossamer shading through his playing"
2. so thin as to transmit light;
"a hat with a diaphanous veil""filmy wings of a moth""gauzy clouds of dandelion down""gossamer cobwebs""sheer silk stockings""transparent chiffon""vaporous silks"