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》

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》

Only trained emergency workers should care for a person who has been hit by lightning.

只有受过训练的急救人员才应该照顾被闪电击中的人。

youdao

"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.

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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.