quaking grass
noun
mass noun
1- a slender-stalked grass with oval or heart-shaped flower heads which tremble in the wind凌风草。
1.1
- Genus Briza, family Gramineae: several species, including B. media, which is sometimes cultivated as an ornamental.凌风草属, 禾本科：数种, 包括有时作为观赏植物栽培的凌风草。