crab grass

1. Now with that rock protection weed and crab grass to form a scab on the green.
   在石头周围长满了野草，仿佛绿油油的草坪上有一块伤疤。
2. The results of path analysis indicate that crab grass is a main weed forsummer grain crops in Hebei province.
   通径分析结果表明，马唐是我国北方夏播粮田的主要杂草。

noun

1. grasses with creeping stems that root freely

   Synonym:    crabgrassfinger grass