piston

FREQ #26119 ★☆☆☆☆

n. 活塞, 活塞阀键 [医] 活塞(如注射器的)

发音

US /ˈpɪstən/

词形变化

pistons 复数 pistons pistoned pistoning pistons 三单 pistoning 现在分词 pistoned 过去式 pistoned 过去分词

释义与例句

n.
  1. 1.

    A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)

    活塞

    鞲鞴

    工程
  2. 2.

    A valve device in some brass instruments for changing the pitch

    音乐
v.
  1. 1.

    To move up and down or in and out like a piston.

    不及物

词汇关系

名词

同义词 1

plunger

部分词 2

piston ring piston rod

整体词 1

reciprocating engine

相关短语

piston rod [化] 活塞杆 piston ring [化] 活塞环; 涨圈 piston engine [机] 活塞发动机 piston engines (piston-engine 的复数) [机] 活塞发动机 piston rods piston rings piston valve [机] 活塞阀 piston valves opposed piston opposed cylinder trunk piston [化] 筒式活塞; 裙式活塞

词源

From French piston.

来源：wiktionary