| 例句 |
These simple tools were used for hunting in the Stone Age.这些简陋的工具是石器时代狩猎用的。It was a skill developed during the Stone Age.这一技能是在石器时代发展起来的。People of the Stone Age used rude tools.石器时代的人使用粗糙简陋的工具。Little trace is left of how Stone Age people lived.石器时代人类的生活状况几乎无迹可寻。Stone Age settlers fashioned necklaces from sheep's teeth.石器时代的移居者用羊的牙做成项链。Stone age civilization, veiled in mystery as it is, has provided the greatest challenge to historians.石器时代的文明仍披着一层神秘的面纱，对历史学家来说是极大的挑战。Stone Age settlers fashioned necklaces from sheep's teeth.石器时代的定居者用羊齿制作项链。 |