forcer

n. 强迫的人；冲头；活塞；蜗杆压榨机

词形变化

forcers 复数 forcers

释义与例句

n.
  1. 1.

    Agent noun of force.

  2. 2.

    The solid piston of a force pump; the instrument by which water is forced in a pump.

  3. 3.

    A small hand pump for sinking pits, draining cellars, etc.

  4. 4.

    A bell-shaped lidded pot for growing rhubarb, used to limit photosynthesis by excluding light, encouraging early-season growth and blanched stems.

词源

From force + -er.

来源：wiktionary