复数： cobwebs

The cobweb pretends to catch dewdrops and catches flies .

蜘蛛网假装要擒住露珠,却逮住了苍蝇.

A banker showed me two photos not long ago . One was the subway map of a large foreign city which is as dense as a cobweb and the other was the subway map of beijing which is quite sparse .

前不久，有一位银行家给我展示了两张照片，一张是国外一个大城市的地铁网络，一张是北京市的地铁网络，一个密如蜘蛛网，一个稀稀疏疏。

The cobweb pretends to catch dewdrops and catch flies .

蛛网假装要擒住露珠,却逮住了苍蝇.

Those lazy fellows have not even sweep the cobweb away .

那些懒家伙连蜘蛛网都没有扫干净。

The spider can catch insects by cobweb .

蜘蛛能用蜘蛛网抓住虫豸。