名词
中文翻译：在座
同义词：
['in the chair', 'in office', 'in power例句：1. The king was ex cathedra when he made this decision.（国王在做出这个决定时是当权的。）']
例句：
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1. The king was ex cathedra when he made this decision.
国王在做出这个决定时是当权的。
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2.The speaker was ex cathedra at the conference.
演讲者在会议上是当权的。
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3. The president is ex cathedra during the national emergency.
总统在国家紧急状态下是当权的。