Ambulance drivers provided only emergency cover during the dispute.

纠纷期间救护车司机只提供急救替班。

《牛津词典》

youdao

This door should only be used in an emergency.

这道门只能在紧急情况下使用。

《牛津词典》

"It not only will affect the growth and the economic development, but it will have a severe consequence especially on the disaster emergency relief funding that will be required,"

VOA: standard.2009.12.21

However "the only emergency" at the moment was "the prime minister and the Chancellor have gone wobbly over the coverage of their Budget", she said.

BBC: Alcohol minimum price 'will stop binge drinking'

Only emergency vehicles - buses, taxis, fire engines, ambulances, police cars, rubbish trucks - and those powered by gas or electricity remain exempt from the ban.

BBC: News | Europe | Off the roads

Only emergency services are offered, the U.S. Ambassador said.

CNN: Shutdown touches many lives across U.S.