1. There were twenty cars in the race.
    参加比赛的有20辆汽车。

2. Twenty years!
    20年！

3. The earth spins round once every twenty-four hours.
    地球每二十四小时自转一周。

4. This happens to most parts of the earth every twenty-four hours. 2
    地球上的大部分地区的二十四小时都是如此。

5. The whole journey of the moon round the earth takes twenty-eight days.
    月亮绕地球旋转一周需要二十八天。

6. This organization was started over twenty-one years ago. Its purpose is to protect land and public resources for people.
    这个组织是在21年前成立的, 其宗旨是为人们保护土地和公共资源。

7. The morning I received my passport and exit visa I realized I had less than twenty-four hours to figure out a way of getting my Berlin diaries out.
    拿到护照和离境签证的那天上午，我意识到自己必须在24小时内想出把我的柏林日记弄出去的办法。

8. The men on the ship saw a strange object lying on the beach. It was moving toward them — perhaps twenty feet an hour.
    船上的人看见海滩上躺着一个奇怪的东西。这个东西正向他们爬过来--速度大概是每小时20英尺。

9. Twenty-eight-year-old Marissa Parry was returning home from her job as manager of a bar (酒吧).
    28岁的玛丽莎·帕里是一家酒吧的经理，当时正下班回家。

10. He was glad to get away with a mere twenty pounds and he beat a hasty retreat, clutching the precious bottle under his arm.
    他庆幸自己只破费了20英镑便得以脱身。他把那宝贵的瓶子放在腋下夹着，溜之大吉。