单词 | arrowgrass |
释义 | Word Frequency arrowgrass(ˈærəʊˌɡrɑːs) noun either of two species, sea arrowgrass (Triglochin maritima) or marsh arrowgrass (T. palustris), of monocotyledonous perennials having long thin fleshy leaves and spikes of inconspicuous flowers Word origin C18: named from the shape of the fruits when open |
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