returned to the normal level
returned to the normal level
恢复到正常水平
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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EasyJet said it planned to resume "some services across the UK and continental Europe from tomorrow morning, " but added that the level of disruption meant it would be several days before the schedule returned to normal.
BBC: Ash flights ban: UK airports permitted to reopen