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At once Meaning in English

expression

ˈæt/ /ˈwəns
AT WUHNS
ˈæt/ /wˈɒns
AT WONS

释义

'At once' means either immediately, without waiting, or happening at the same time.

用法与细微差别

Slightly formal; used in both spoken and written English. Common for instructions ('Come here at once!') and describing actions ('She can do many things at once'). Distinguish from 'at once' (immediately) and 'at the same time'. Often appears in urgent contexts.

例句

Please come here at once.

basic

He answered my question at once.

basic

She can do three things at once.

basic

The alarm rang, and everyone left the building at once.

natural

Don't shout all at once—I can't understand you!

natural

Everything seemed to happen at once that day.

natural