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revolution
n.革命, 旋轉
revolutionary
adj.革命的, 革命性的
It appeared that Canada was once more falling in step with the trend toward smaller families
這顯示出加拿大再次出現向小規模家庭發展的趨勢，
that had occurred all through the Western world since the time of the Industrial.
這是自工業革命時期以來西方社會都已經出現過的趨勢。
prey
n.被掠食者, 犧牲者v.捕食
When other predators such as the gray wolf prey upon large mammals, they generally take high proportions of each year s crop of young.
當其他的肉食動物，比如灰狼，捕食大型哺乳動物的時候，幼崽捕獵比例較高。
microscope
n.顯微鏡
microscopic
adj.用顯微鏡可見的
The invention of the visible-light microscope late in the sixteenth century introduced a previously unknown realm of single-celled plants and animals.
16世紀，光學顯微鏡發明成功，此項發明揭開了人們對未知動植物的了解。
metal
n.金屬, 合金
metallic
adj.金屬的, 產生金屬的
metalworkers-metalworker
n.制金屬品工人
A brass or woodwind player may hum while playing, to produce two pitches at once; a pianist may reach inside the piano to pluck a string and then run a metal blade along it.
銅管和木管樂手會在彈奏時哼唱，一次敲擊兩個音調；鋼琴家也有可能用金屬銅片撥動鋼琴線。
helium
n.氦
Jupiter and the other giant planets are of a low-density type quite distinct from the terrestrial planets:
木星等其它天體為低密度星體，與類地行星有明顯不同，
they are composed predominantly of such substances as hydrogen, helium, ammonia, and methane, unlike terrestrial planets.
不同于類地行星，它們主要由氮氣、氦氣、氨氣、沼氣等物質組成。
frame
n.框；結構v.構成；制定
The carpenter's shop probably provided the frame and perhaps supplied the panel, and yet another shop supplied the gold.
木匠店可能會提供木架和嵌板，而另一家店或許還會提供黃金制品。
continent
n.大陸, 陸地
continental
adj.大陸的, 洲的
supercontinent
n.超大陸
When this supercontinent started to tear apart because of plate movement, Pangaea first broke into two large continental masses with a newly formed sea
由于版塊運動，超大陸開始分崩離析，泛大陸首先分離成兩塊大陸，
that grew between the land areas as the depression filled with water.
隨著版塊下陷，兩大陸之間形成海洋。
contemporary
n.同時代的人adj.同時代的
Granite may be found on the surface of the contemporary landscape, but from its coarse texture we know
人們可以在當代景觀中發現花崗巖，但透過它粗糙的表面可以得知，
that it must have formed through slow cooling at a great depth and later been laid bare by erosion.
它先是在深層中緩慢冷卻，之后通過腐蝕研磨平整。
claims-claim
v.要求; 聲稱
An oak tree is a good example of a competitor.
橡樹是典型的“競爭者”。
A massive oak claims its ground for 200 years or more, outcompeting all other would-be canopy trees by casting a dense shade and drawing up any free water in the soil.
一顆巨大的橡樹占據它的領地長達200年甚至更久，通過制造濃密的樹蔭和吸收土壤中任何多余水分驅逐所有可能的冠層樹木。
tension
n.緊張, 拉緊
The same forces that create surface tension in any sample of water are responsible for the maintenance of these unbroken columns of water.
在任何水樣中造成表面張力的力支持著這些不斷的水柱。
task
n.作業；任務
Each product had its own peculiar characteristics that demanded a particular way of cutting or drying the meat,
每種產品都有它自己的特點，需要用不同方法干燥或剪切，
and each task required its own cutting blades and other utensils.
也需要使用獨特的切刀和器具。
stimulated-stimulate
v.刺激, 鼓舞
stimulation
n.激勵; 刺激
Cheap transportation networks, the rise of cities, and the availability of capital and credit all stimulated the shift to factory production.
廉價的交通運輸網絡、城市的興起和資本借貸的可行性都促進了制造業從手工作坊到工廠生產的轉變。
spread
n.傳播, 伸展, 散布 v.使伸展, 使延伸
Growing human populations and the agricultural demands that come with such growth have upset the ecological balance in some areas and led to the spread of deserts.
隨著人口不斷增長，農業需求擴大，地區生態失衡，土地沙漠化擴大。
