Pitchon皮琼pitchn.球场；程度；音调；推销；投掷；街头商贩摊位；沥青；树脂；松脂v.投；颠簸；搭帐篷；定调；推销；用沥青覆盖pitch setting节距置位pitch and pay付现金；即时付款pitch of tone音调高度,音调pitch contourn.音高升降曲线pitchy lumber多树脂的木材pitching rule投球规则pitch control节距调节,行距控制,音调控制,节距控制Pitch channel俯仰回路pitch a bitchvt.抱怨；发牢骚；表示不满(粗鲁语)pitching tool斧凿