短语
中文翻译：一触即发
同义词：
['at the brink of', 'on the verge of']
例句：
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1. The tension between the twocountries was at a touch before the summitmeeting.
两国之间的紧张关系在峰会前达到了临界点。
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2. The economy is at a touchof recession.
经济正濒临衰退的边缘。
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3. The firefighters were at a touch to putout the flames.
消防员们准备扑灭火焰。