“orb web”簡單造句，orb web造句子

"Dragline" silk is used to create the supporting strands that anchor the endpoints of an orb web to tree branches overhanging rivers or lakes and forms the radial threads in the web.

an orange and tan spider with darkly banded legs that spins an orb web daily.

They make the largest orb webs, which often exceed three feet (1 metre) in diameter.

Many tiny tubes connect each silk gland with a spinneret. The sticky fluid which coats the strands in orb webs and catching lines is applied in these tubes.

The resulting phylogeny indicated that:(1) Araneidae and Tetragnathidae, which build orb webs, are not a sister group in the superfamily Araneoidea;