pet-cock

英汉释义

• n.

  1.【机】小型旋塞;油门,汽门;手压开关;龙头

英英释义

• n.

  1.a small manually operated valve or faucet used to drain off waste material or excess fluid from the cylinder of an internal combustion engine

英汉例句

• 1.The doctor shut off the petcock.

  医生关掉小活栓。