名词
中文翻译：庄重
同义词：
['gravidity', 'solemnity例句：1. The president delivered a speech with great gravitas.（总统发表演讲时非常庄重。）']
例句：
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1. The president delivered a speech with great gravitas.
总统发表演讲时非常庄重。
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2. He spoke with a deep gravitas, conveying his seriousness.
他说话时语气深沉，表现出他的严肃。
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3. The speaker's gravitas made the audience sit up straight.
演讲者的庄重让听众都坐直了。