piston
UK/'pistәn/US
IELTSB2
Definitions
n.
A solid disk or cylinder that moves inside a hollow cylinder in an engine or pump; a valve in some brass instruments.
活塞；（铜管乐器的）活塞阀
v.
To move repeatedly up and down or back and forth like a piston.
像活塞一样上下（或来回）运动
Root Breakdown
Loanwordpistonother
=piston
Common Collocations
- 1.piston engine活塞式发动机
- 2.piston ring活塞环
- 3.piston stroke活塞冲程
- 4.[piston movement]活塞运动
Example Sentences
- 1.
The engine's pistons move up and down rapidly to convert fuel into mechanical energy.
- 2.
A worn piston ring can cause the engine to burn oil and lose power.
- 3.
The trumpet player pressed the pistons smoothly to change the pitch of each note.