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References in periodicals archive ?
Gail Carson Levine, Ella Enchanted> The field of grass undulated in the breeze.
Just kept thinking that,'' Han said, ``because this course is pretty undulated and the fairways are undulated.
But some ichthyosaurs--especially early species that still had the long tail, flexible spine and the lizardlike proportions of their landlubber ancestors--probably undulated their bodies when they swam.