??balloon???
n. [C]
1.,
2.(?)
The girl was startled when the balloon exploded.
????
3.(???)??
4.;?
? vi.
1.()[(+out/up)]
2.;
3.
Trade deficits have ballooned.
?
? vt.
1.?()
He balloons his cheeks when he is hesitant.
????
2.?
? a.
1.?;
?
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