second-stringer

英 美
  • adj.后补的;替补的
  • military adj.军事的n.军队
  • reserve vt.保留;预订;延期n.候补;预备品;贮存n.含蓄;克制
Adjective:
  1. being a replacement or substitute for a regular member of a team;

    "a second-string pitcher"