1. When people added one extra day to February every four years, they were adding 24 hours, whereas they should have added only 4 times 5 hours, 48 minutes and 46 seconds — a total of 23 hours, 15 minutes and 4 seconds. 人们每四年给2月增加一天,这就增加了24小时,但实际上他们应该增加4个5小时48分46秒——一共是23小时15分4秒。
2. The earth rotates once every 24 hours. 地球每24小时转一周.
3. The manufacturers had to pay more money than they had anticipated, for they bought the biscuit from the student for $24,000. 饼干公司不得不付出比他们预计多得多的钱,因为为买下那学生烘制的饼干他们支付了24,000美元。
4. Modest and soft-spoken, Agatha Muthoni Mbogo, 24, is hardly the image of a revolutionary. 24岁的阿加莎·墨丹妮·姆波戈,为人谦虚,谈吐温柔,算不上是个革命者的形象,
5. On 3 December 1967 Dr. Christiaan Barnard transplanted the heart of a 24-year-old girl into the chest of a 50-year-old man. 1967年12月3日,克里斯蒂安·巴纳德医生把一位二十四岁姑娘的心脏移植到了一位五十岁男人的胸内。