Fog severely restricted visibility.

浓雾严重影响了能见度。

《牛津词典》

But access has always been severely restricted.

但查阅总是受到严格限制。

youdao

Other observer groups were also severely restricted in the number of people they were able to field in the south.

其他监督小组也由于人员有限，也无法对南部地区进行实地监督。

youdao

He was right--Iressa failed in a big clinical trial, and its use was severely restricted.

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"The American public's access to the White House has been severely restricted, " Noble said.

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An expert panel recently recommended Avandia's use should be severely restricted or the drug should be pulled.

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