Volcanic ash covered the fields and famine began.

火山灰覆盖了田野，饥荒开始了。

A blanket of fog covered the fields.

【fog】大雾笼罩了田野。

The Hartlib  Circle covered many scientific fields and was dedicated to both Protestantism and education.

哈特利布圈涵盖了许多科学领域，并致力于新教和教育。

It was a dim, unsettled kind of night; the wind blew in terrific gusts, bringing with it the scent of rain and wheat, which covered the broad fields.

这是一个昏暗、不安的夜晚。狂风大作，带着雨水和麦子的香味，笼罩着宽阔的田野。

The sun had not yet risen, but his rays were already gilding the hill tops, the dew covered fields were glistening in the distance, and the cool morning wind breathed freshness.

太阳还没有升起， 阳光已经把山顶染成了金色， 远处露珠覆盖的田野闪闪发亮， 清凉的晨风吹来清新的气息。