English Expression · Intermediate
bubble car
a single-car multiple unit
Pronunciation: say bubble car
Meaning
a single-car multiple unit
Example
The old railway line was served by a single bubble car.
The old railway line was served by a single bubble car.
Practice tips
- Practice bubble car out loud — read the pronunciation guide above and repeat.
- Use it in your own sentence today; reuse beats rereading.
- Pay attention to context: this English expression is for intermediate-level learners.