crab·grass or crab grass 
(krăbgrăs′)
(krăbgrăs′)n.
Any of certain annual grasses of the genus Digitaria, having prostrate stems that root at the nodes and widely naturalized in North America as weeds in lawns and agricultural fields.
| 单词 | crabgrass |
| 释义 | crab·grass or crab grass (krăbgrăs′)n. Any of certain annual grasses of the genus Digitaria, having prostrate stems that root at the nodes and widely naturalized in North America as weeds in lawns and agricultural fields. |
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