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- A small stone artifact, probably an arrowhead, with a blunt straight edge and a sharpened, crescent - shaped back, especially characteristic of the Mesolithic Age. 新月形石器一个小的石制的人工制造物，可能是个箭头，有钝的直边，尖的新月形背部，尤其是有中石器时代特点的
- A small stone artifact, probably an arrowhead, with a blunt straight edge and a sharpened, crescent-shaped back, especially characteristic of the Mesolithic Age. 新月形石器一个小的石制的人工制造物，可能是个箭头，有钝的直边，尖的新月形背部，尤其是有中石器时代特点的
- A small stone artifact,probably an arrowhead,with a blunt straight edge and a sharpened,crescent - shaped back,especially characteristic of the Mesolithic Age. 新月形石器一个小的石制的人工制造物，可能是个箭头，有钝的直边，尖的新月形背部，尤其是有中石器时代特点的
- Most archeologists dispute this view, arguing that the old and dry river died out during the mesolithic age at the latest, and was reduced to a seasonal stream long before the Vedic period. 大多数考古学家都争论这种观点，争论说陈旧和干涸的河流最迟在中石器时代在逐渐消失，在吠陀时期之前很久就已经缩减成一条季节性的河流。
- In the misty,hazy past,as the Mesolithic Age gave way to the Neolithic,there suddenly appeared in widely separated geographic areas the most highly successful group of inventors and revolutionaries that the world has ever known. 在迷蒙的过去，当中石器时代让位于新石器时代时，有一些在地理上相隔遥远的地区，突然出现了人类迄今所了解的最为成功的发明群体和革命者。
- The Mesolithic Age. 中石器时代
- In the misty, hazy past, as the Mesolithic Age gave way to the Neolithic, there suddenly appeared in widely separated geographic areas the most highly successful group of inventors and revolutionaries that the world has ever known. 在迷蒙的过去，当中石器时代让位于新石器时代时，有一些在地理上相隔遥远的地区，突然出现了人类迄今所了解的最为成功的发明群体和革命者。
- Of, belonging to, or designating the cultural period beginning with the earliest chipped stone tools, about 750,000 years ago, until the beginning of the Mesolithic Age, about 15,000 years ago. 旧石器时代的:这段文化时期的,与其有关的或这么称呼的,最早开始于大约750,000年以前的打制石器工具,直到大约15,000前以前的中石器时代的开始。
- Research and Significance of the Mesolithic Age 中石器时代的研究与思考
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- Age and wedlock we all desire and repent of. 成年与婚姻，均为我辈所欲，亦为我辈所悔。
- Her widowhood condemns her to a lonely old age. 守寡使她不得不过着孤独的晚年生活。
- I don't think he looks his age of seventy. 我感到他看起来不像70岁的人。
- He has always assorted with men of his age. 他总是与和他年令相仿的人交往。
