1.Changes between the states have been used by man to work for him since ancient times.
自古以来，人类就利用这两种状态的变化为自己服务。
2.The Great Wall, you know, was constructed in ancient times to guard against invasion by nomadic tribes from the north.
你知道，长城是古代为了防御北方的游牧民族入侵而建的。
3.In very very ancient times, there was a strong man named Kuafu who cherished the ambition of running a race against the sun.
很久很久以前，有一个身强力壮的人，名叫夸父。夸父心怀奇志，决心和太阳赛跑，追上太阳。
4.An upright post with a transverse piece near the top, on which condemned persons were executed in ancient times.
一根在接近顶端地方横梁的立柱，在古代用来处死被判有罪的人
5.Modern, manufactured days can be costly. Natural dyes form plant and animal products have been used since ancient times.
现代的人造染料会比较贵，而从动、植物提取的天然染料在远古时期就已被使用了。
6.Meng Zi is a work of Meng Zi who was a famous thinker in ancient times. It had been listed one of the thirteen classics in feudal times.
《孟子》是我国古代著名思想家孟子的著作，封建时代被列为十三经之一。
7.Distillation of fermented solutions has been used since ancient times to produce distilled beverages with a higher alcohol content.
古代，人们蒸馏发酵液以产生乙醇含量较高的蒸馏酒。
8.As early as in ancient times , the various tribal alliances PREVAILING along the Yellow River began to take shape as nations.
早在远古时代，活跃在黄河流域的部落联盟就已初具国家规模。
9.The construction of the gigantic Egyptian pyramids at Giza during the 2500 B. C. was one of the greatest engineering feats of ancient times.
在吉萨期间建设的巨大的埃及金字塔是在远古时代2500年中最大的工程壮举。
10.In ancient times however, tickling was used as a form of torture -- goats would lick salt off the bottom of a person's foot.
然而，在古代挠痒痒被用作一种折磨人的刑法，在一个人的脚底抹上盐，让山羊来舔。