Only actions can bring about changes.
只有行动能够带来改变。
Great changes have taken place in my hometown.
我的家乡发生了巨大的变化。
These changes were gradual and at first scarcely visible.
这些变化是循序渐进的，起初几乎看不出来。
It changes the way we think, feel and interact with one another.
它改变了我们思考、感受和与他人互动的方式。
Mr. White, what changes have you seen in the champagne market in the last ten to fifteen years?
怀特先生，在过去的10到15年里，你在香槟市场上看到了什么变化？
As an integral part of learning, it brings about positive changes, making people develop and grow.
作为学习的一个组成部分，它带来了积极的变化，使人发展和成长。
While aging is inevitable, scientists are finding out that certain changes in brain function may not be.
尽管衰老是不可避免的，科学家们却发现大脑功能的某些变化或许并非不可避免。
Water can absorb and release a lot of heat without big changes in temperature, thus creating a stable environment.
水可以吸收和释放大量的热量，而温度变化不大，从而创造一个稳定的环境。
Ecologists use the term "succession" to refer to the changes that happen in plant communities and ecosystems over time.
生态学家使用“演替”一词来指植物群落和生态系统随时间发生的变化。
Scientists use these changes in ocean color to estimate chlorophyll concentration and the biomass of phytoplankton in the ocean.
科学家利用海洋颜色的变化来估计叶绿素含量以及海洋浮游植物的生物量。
The salt and gypsum, the faunal changes, and the unusual gravel provided abundant evidence that the Mediterranean was once a desert.
盐和石膏、动物群落的变化和不寻常的沙砾充分证明地中海曾经是一片沙漠。
Most important, scientists are beginning to realize that the climatic changes have had a major impact on the evolution of the human species.
最重要的是，科学家们开始意识到，气候变化对人类物种的进化产生了重大影响。
Researchers have established that when people are mentally engaged, biochemical changes occur in the brain that allow it to act more effectively in cognitive areas such as attention and memory.
研究人员已经证实，当人们动脑筋时，大脑中会发生生化变化，使其在注意力和记忆等认知区域更有效地发挥作用。
There is a growing realization that changes must be made.
越来越多的人认识到改革势在必行。
Do you ever wonder why a fall leaf changes color?
你们有没有想过为什么落叶会变色？
Against a backdrop of drastic changes in economy and population structure, younger Americans are drawing a new 21st-century road map to success, a latest poll has found.
一项最新民调发现，在经济和人口结构发生巨变的背景下，美国的年轻一代正在绘制一幅21世纪通向成功的地图。
Great changes have taken place in Suzhou over the years.
苏州这些年发生了巨大的变化。
We Chinese are proud of the great changes in our country.
我们中国人为我们国家的巨大变化感到自豪。
Chimpanzees are able to adapt to changes in their environment.
黑猩猩能够适应环境的变化。
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