以下为句子列表:
英文: A high-quality mechanical watch will last longer, but you have to wind it up every day.
中文: 一块高质量的机械表可以用许多年,可是您得每天上发条。
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英文: The spinning balance wheel that paces a mechanical watch typically rocks back and forth at about five beats a second.
中文: 而控制机械錶快慢的旋转平衡摆轮每秒通常只能来回五次左右。
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