The morning began fine, but now clouds are banking up.

早晨开始是晴天, 可是现在乌云密布.

《简明英汉词典》

They are banking up the wood.

他们把木材堆起来.

辞典例句

He is banking up the fire.

他正在封火.

辞典例句

Clouds are banking up along the horizon.

云在地平线上集结成堆.

辞典例句

The clouds are banking up from the south.

云正从南面聚积起来.

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Clouds are banking up.

云层正在堆积.

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