常用副词或词组有:
about 近于,大约
around 大约
approximately 大约,近似
near 差不多,几乎
nearly 差不多,几乎
or so …左右,大约
in/of the order of …约为,大约
常用动词有:
approximate 接近
approach 接近,靠近
come near 接近,将近
range from ... to... 从…到…左右,在…范围内不等
vary from ... to... 在…范围内变化
The oxygen content of air is about/around/approximately 21%.
科技英语表达常用句型速查空气中氧的含量约为 21%。
The Curie point for iron is of the order of 700℃ .
铁的居里点大约为 700 ℃。
It is only during the past 50 years or so that scientists have learned how to release atomic energy .
大约在过去的 50 年左右时间内,科学家们学会了释放原子能的方法。
The earth's crustal l thickness varies from about three miles beneath the oceans to about 20 miles through the continent .
地球的地壳厚度大约是 3 英里(海洋下)到 20 英里(大陆下)左右。
Every crane has a certain lifting capacity, ranging from a few tons to many hundreds of tons .
每一台起重机均有一定的起重力,从几吨到几百吨。
As adhesive layer thickness approaches 0, the stress also approaches 0 .
随着粘着层厚度接近于零,应力也接近于零。
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