四级Thus, time and time's relativity are measurable by any hourglass, alarm clock, or an atomic clock that can measure a billionth of a second.
因此，任何沙漏、闹钟或原子钟都可以测量时间和时间的相对性，而原子钟可以测量十亿分之一秒。
2011年6月听力原文
四级Thus, time and time's relativity are measurable by any hourglass, alarm clock, or an atomic clock that can measure a billionth of a second
因此，任何沙漏、闹钟或原子钟都可以测量时间和时间的相对性，而原子钟可以测量十亿分之一秒
2011年6月听力原文
四级Because it was isolated and because the weather was almost always clear and peaceful, a spot of desert near Alamogordo was chosen as the last site for the first atomic bomb ever exploded.
由于这里与世隔绝，而且天气几乎总是晴朗和平，阿拉莫戈多附近的一片沙漠被选为有史以来第一颗原子弹爆炸的最后地点。
1990年1月英语四级真题
四级At dawn on July 16, 1945, the atomic bomb was set off.
1945年7月16日黎明，原子弹被引爆。
1990年1月英语四级真题
四级Never before had men released so much power at one time, nor had any nation ever possessed weapon as terrible and destructive as the atomic bomb.
以前从未有人一次释放出如此大的力量，也从未有任何国家拥有像原子弹那样可怕和具有破坏性的武器。
1990年1月英语四级真题
四级When an atomic bomb was dropped from an American plane on Hiroshima, Japan, newspapers and radio stations all over America told of the test of the bomb in New Mexico.
当美国飞机在日本广岛投下原子弹时，美国各地的报纸和广播电台都报道了在新墨西哥州进行的原子弹试验。
1990年1月英语四级真题
四级When news of the atomic bomb and its destructiveness was announced, people all over the world wondered what other new weapons were being prepared in the New Mexico desert.
当原子弹及其破坏性的消息公布时，全世界的人们都想知道新墨西哥沙漠中还准备了什么新武器。
1990年1月英语四级真题
四级Some people doubted that the secret of making atomic bombs could be kept from other countries.
有些人怀疑制造原子弹的秘密是否可以瞒着其他国家。
1990年1月英语四级真题
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