anthropologists-anthropologist
n.人类学家
The anthropologist Alexander Marshack has an interesting interpretation of some of the engravings made during the Upper Paleolithic.
人类学家亚历山大·马斯哈克对旧石器时代晚期的一些雕刻品有一个有趣的解释。
agrarian
adj.耕地的
The Democrats wanted the rewards of the market without sacrificing the features of a simple agrarian republic.
民主党人既想从市场经济中获得好处，又不想牺牲单一土地所有权的共和体制。
stage
n.舞台；阶段
stagecoaches-stagecoach
n.公共马车
By holding in rather than venting "steam," we set the stage for future explosions.
通过稳定而不是释放“蒸汽”，我们就有可能让爆炸变成可能。
virtue
n.德行；美德
In the United States as well as in Great Britain, reformers extolled the virtues of handcrafted objects: simple, straightforward design;
在美国以及英国，改革者赞美手工艺品的价值：简单简约；
solid materials of good quality; and sound, enduring construction techniques.
质量上乘，材料坚硬；建造技艺持久。
themes-theme
n.主题
Whether abstract, stylized, or realistically treated, the consistent theme in virtually all Arts and Crafts design is nature.
无论是将它抽象化，程序化还是真实化，工艺美术的永恒主题几乎都是自然。
symbol
n.符号, 象征
symbolic
adj.象征的
symbolism
n.象征主义
The first generation to experience these changes did not adopt the new attitudes easily .The factory clock became the symbol of the new work rules.
第一代经历这些变化的人没有轻易的适应新的观点。工厂时钟成为了新工作规则的标志。
signal
n.信号v.向...发信号
For example, facial expressions could signal the approach of enemies (or friends) in the absence of language.
例如，面部表情可以以非语言的方式帮你判断迎面而来的是敌还是友。
series
n.系列；连续
Most tunas and billfishes have a series of keels and finlets near the tail.
大多数金枪鱼和长嘴鱼的尾巴附近会长有一串脊骨和小鳍。
seek
v.寻求, 探索
sought
（过去式）
Architects seek to create buildings that are both visually appealing and well suited for human use.
建筑师希望建造出既美观又适合人类使用的建筑。
saturated-saturate
v.浸透
In lowland country almost any spot on the ground may overlie what was once the bed of a river that has since become buried by soil;
在位于低地的国家中，几乎地面上的任何位置都有可能覆盖在被土壤掩埋的河床上；
if they are now below the water's upper surface (the water table), the gravels and sands of the former riverbed, and its sandbars, will be saturated with groundwater.
如果以前的那些河床和它们的沙堤现在位于地下水位之下，它们中所含的碎石和沙粒之间一定会充满着地下水。
random
adj.任意的；随机的
Earth is a target in a cosmic shooting gallery, subject to random violent events that were unsuspected a few decades ago.
地球是“宇宙射击场”中的一个靶子，容易随机遭遇各种猛烈的撞击事件，这在数十年前从未受到过怀疑。
puzzling-puzzle
n.难题；迷惑 v.使迷惑
Among squirrels, though, there is a particularly puzzling behavior pattern.
松鼠有一个非常令人困惑的行为模式。
pure
adj.纯的；纯净的
Chivalry was suspect before Cervantes, humanists objected to the claims of pure science before Aldous Huxley and people were aware of famine before Swift.
骑士精神在塞万提斯之前就被怀疑了，人文学者在 Aldous Huxley 之前就已经反对纯科学了，而且人们在斯威夫特以前就已经知道了饥荒的存在。
philosophy
n.哲学；人生观
philosophers-philosopher
n.哲学家
Other, however, have adopted the philosophy that it is best to use the water while it is still economically profitable to do so and to concentrate on high-value crops such as cotton.
而另外一些人却抱着趁水资源还能产生经济效益就应抓紧利用的想法，继续种植高价值的棉花等农作物。
proposed-propose
v.计划, 建议
Initially, 70 sites were proposed as candidates for sanctuary status.
起初，有70处有望获得保护区地位。
Pennsylvania
n.宾夕法尼亚州
A few houses in New England were built of stone, but only in Pennsylvania and adjacent areas was stone widely used in dwellings.
在新英格兰，石屋只有几处可见，当在宾州和周边区域随处可见。
overcome
v.克服；胜过
Fortunately, scientific and technological advances have overcome most of these problems.
幸运的是，多数问题已通过科技发展而得到解决。