Last night, under a heavy snowfall.

昨天晚上，下了一场大雪。

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A heavy snowfall block the main road.

一次严重的降雪阻塞了主要公路。

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A heavy snowfall blocks the main road.

一次严重的降雪阻塞了主要公路。

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On my spread in the Hudson Valley, red-winged blackbirds came back a week early and met a heavy snowfall.

FORBES: White Swans Beat Up On Black Swans

Authorities blamed a sudden heavy snowfall to be the cause.

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Our son Tom was born during a period of heavy snowfall that continued after he returned home from his birth in hospital.

BBC: Napping in a hutch and other tales of outdoor snoozing