thorough bass /beɪs/

• 1. 

  N (esp during the baroque period) a bass part underlying a piece of concerted music. It is played on a keyboard instrument, usually supported by a cello, viola da gamba, etc (尤指在巴洛克时期)通奏低音 (Also called basso continuo, continuo) → see also figured bass

• 2. 

  N (as modifier) 通奏低音的

  例：

  a thorough-bass part