1·78岁时，他仍是他的国家公认的领袖。
At 78 years of age, he's still undisputed leader of his country.
—— 《柯林斯英汉双解大词典》
2·78岁的马丁于昨日辞世，各种吊唁从全球各地大量涌来。
Martin, 78, died yesterday. Tributes poured in from around the globe.
—— 《柯林斯英汉双解大词典》
3·78%的学生不帮忙做家务。
78% students don't help with everyday chores.
4·在上个月的调查中，78%的人表示他们仍然会支持禁烟。
In a survey last month, 78% of the people said they would still support the smoking ban.
5·请记得托马斯·科斯坦出版他的第一部小说时已经57岁，而摩西奶奶第一次展示她的照片时也已经78岁。无论你是如何开始的，记住没有比现在更好的开始时间了，因为你永远不会比此刻更有活力。
Remember that Thomas Costain was 57 when he published his first novel, and that Grandma Moses showed her first pictures when she was 78. However you start, remember there is no better time to start than right now, for you'll never be more alive than you are at this moment.
6·那是七十八米高吗？
Is it 78 meters high?
7·在此期间，全球麻疹死亡率下降了78%。
Global measles deaths decreased by 78% during this period.
8·东亚的语言往往有带声调的元音，而东北高加索地区的语言以辅音复杂而闻名：尤比克语有78个辅音。
Languages in East Asia tend to have tonal vowels, and those of the north-eastern Caucasus are known for consonantal complexity: Ubykh has 78 consonant sounds.
9·患这种病的78例中，63例有显著好转。
Out of the 78 cases of this disease, 63 showed marked progress.
—— 《新英汉大辞典》
10·农业面积：93(千公顷)。
Agricultural area: 78 (1000 Ha).