常用副詞或詞組有:
about 近于,大約
around 大約
approximately 大約,近似
near 差不多,幾乎
nearly 差不多,幾乎
or so …左右,大約
in/of the order of …約為,大約
常用動(dòng)詞有:
approximate 接近
approach 接近,靠近
come near 接近,將近
range from ... to... 從…到…左右,在…范圍內(nèi)不等
vary from ... to... 在…范圍內(nèi)變化
The oxygen content of air is about/around/approximately 21%.
科技英語(yǔ)表達(dá)常用句型速查空氣中氧的含量約為 21%。
The Curie point for iron is of the order of 700℃ .
鐵的居里點(diǎn)大約為 700 ℃。
It is only during the past 50 years or so that scientists have learned how to release atomic energy .
大約在過(guò)去的 50 年左右時(shí)間內(nèi),科學(xué)家們學(xué)會(huì)了釋放原子能的方法。
The earth's crustal l thickness varies from about three miles beneath the oceans to about 20 miles through the continent .
地球的地殼厚度大約是 3 英里(海洋下)到 20 英里(大陸下)左右。
Every crane has a certain lifting capacity, ranging from a few tons to many hundreds of tons .
每一臺(tái)起重機(jī)均有一定的起重力,從幾噸到幾百?lài)崱?/p>
As adhesive layer thickness approaches 0, the stress also approaches 0 .
隨著粘著層厚度接近于零,應(yīng)力也接近于零。
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