The balloon expanded, then exploded.

气球先是膨胀，然后就爆破了。

youdao

Thee balloon expanded, then exploded.

气球先是膨胀，然后就爆破了。

youdao

The pilot managed to land, but the helicopter then exploded in flames, trapping the two policemen.

飞行员成功着陆，但是直升飞机突然着火，两名警察被困。

youdao

Two vehicles entered and then exploded in the African Union peacekeeping force compound, sending a heavy trail of black smoke into the skyline of the capital city.

VOA: standard.2009.09.17

Among the dead is the top An eyewitness at the Mogadishu airport, which is situated next to the AMISOM base, says the two cars entered the compound and then exploded near the petrol station located in the base.

VOA: standard.2009.09.17

Then,on July thirteenth, the angers and fears of working men in New York exploded.

VOA: special.2009.10.29

The first canister fell to the ground, started spinning and then exploded, pitching the audience into a panic.

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The All Blacks then exploded into life with a dazzling attack from a line-out but Ugo Monye's despairing tackle was enough to just force Mils Muliaina into touch.

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And then it exploded.

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