形容词
中文翻译：真诚的
同义词：
['true', 'genuine', 'heartfelt', 'authentic']
例句：
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1.She always acts sincerely to her friends.
她总是对她的朋友真诚地。
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2.He is sincere in his words and actions.
他言行一致，非常真诚。
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3. The manager's sincere apology made the situation much better.
经理真诚的道歉让情况好多了。