形容词
中文翻译：真诚的
同义词：
['true', 'genuine', "authentic例句：1. He always speaks sincerely to his friends.（他总是对他的朋友真诚地说话。）2. The teacher's sincere words helped the students understand the lesson better.（老师真诚的话语帮助学生们更好地理解了课程内容。）3. She gave me a sincere smile as she handed me the gift.（她递给我礼物时，给了我一个真诚的微笑。）"]
例句：
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1. He always speaks sincerely to his friends.
他总是对他的朋友真诚地说话。
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2. The teacher's sincere words helped the students understand the lesson better.
老师真诚的话语帮助学生们更好地理解了课程内容。
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3. She gave me a sincere smile as she handed me the gift.
她递给我礼物时，给了我一个真诚的微笑。