| query | A h_________ is an aircraft with long blades on top that go round very fast . It is able to stay still in the air and to move straight upwards or downwards .A helicopter is an aircraft with long blades on top that go round very fast . It is able to stay still in the air and to move straight upwards or downwards . |
|---|---|
| word | helicopter |
| full-definition | noun A helicopter is an aircraft with long blades on top that go round very fast . It is able to stay still in the air and to move straight upwards or downwards . |
| inflections | helicopters |
| cefr-level | B1 |
Tags: oxford5k::cefr-level:b1
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