名词
中文翻译：秒差计
同义词：
['second-by-second', 'second-by-second meter']
例句：
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1. The clock is set for a minute and a half.
钟设定为一分钟半。
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2. He used the squat to measure the distance between the two points.
他使用蹲姿来测量两点之间的距离。
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3. The scientist used the squat to record the data for his experiment.
科学家使用蹲姿记录他的实验数据。