the thread of a spider wed

• 蜘蛛丝

the thread of a spider wed的用法和样例：

例句

1. Spider silk is mainly made up of proteins.
   蜘蛛丝主要由蛋白质构成。
2. He brushed a cobweb out of his hair.
   他拂去了头发上的蜘蛛丝。