“swifts”可以造什么句，swifts造句

This rare and expensive food is actually made from the jellylike saliva that swifts (a type of bird) secrete as they line their nests.

I did not realize that as I bound the power of river, swifts and stone into the metal, I also filled the sword with sorrow and the despair of death.

Bird's nest soup is a delicacy in Chinese cuisine. A few species of swift, the cave swifts, are renowned for building the saliva nests used to produce the unique texture of this soup.

The air was fretted with a kaleidoscopic network of swifts