例句與造句

1. "' Planispiral "'is a condition in which a tubicolous shell is coiled in a single horizontal plane and the diameter increases away from the axis of coiling.
2. As adults, though, the coils then curve away from the axis of coiling, either as an oxbow-like curve around the juvenile coils as in " Ainoceras " and " Anaklinoceras ", or in a simple curved loop beneath the juvenile coils, as in " Yezoceras ".
3. It's difficult to find axis of coiling in a sentence. 用axis of coiling造句挺難的