n.

1. 【昆】蝗蟲[C]
   a swarm of locusts

   一群蝗蟲

2. 【昆】蟬[C]
3. 【植】洋槐，刺槐[C]
4. 洋槐（或刺槐）木[U]

n.

1. a large, mainly tropical grasshopper which migrates in vast swarms and is very destructive to vegetation. [Locusta migratoria and other species.]
2. (also locust tree) a carob tree, false acacia, or similar pod-bearing tree.