barn
英 [bɑːn]
美[bɑrn]
- n. 谷仓;畜棚;车库;靶(核反应截面单位)
- vt. 把…贮存入仓
英英释意
- 1. an outlying farm building for storing grain or animal feed and housing farm animals
- 2. (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter