red·top /ˈrɛdˌtɑp/
小糠草之一種
Red·top n. Bot. A kind of grass (Agrostis vulgaris) highly valued in the United States for pasturage and hay for cattle; -- called also English grass, and in some localities herd's grass. See Illustration in Appendix. The tall redtop is Triodia seslerioides.
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