scarcely…when
as soon as
directly
no sooner … than …
the moment that
hardly …when
hardly …before
the very moment
as soon as | as … as
once
immediately
as soon as 同义词组（10个）
scarcely…when
as soon as
directly
no sooner … than …
the moment that
hardly …when
hardly …before
the very moment
as soon as | as … as
once
immediately