perpetual motion machine

ریشه

From Latin 'perpetuus' meaning 'continuous', 'motio' meaning 'motion', and 'machina' meaning 'machine'.

مثال

• He spent years trying to build a perpetual motion machine.
• A perpetual motion machine is considered impossible according to the laws of physics.
• The concept of a perpetual motion machine is often used in science fiction.

ترکیب‌های رایج

Build a perpetual motion machine Concept of a perpetual motion machine Perpetual motion machine design