The Saturn hexagon seems to represent the strange rigid path of a jet stream, with each of the six sides being one Earth diameter in length.

土星上的六角形云团像是激流形成的固定图案，每条边的长度与地球的直径相当。

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The microscope can magnify the object 100 times in diameter.

这架显微镜能把物体的直径放大100倍。

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The dome is 42.3 metres in diameter.

这个穹顶直径为42.3米。

《牛津词典》

Toshiba had created a hard drive that measured 1.8 inches in diameter in the late 90s.

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The "Tunguska Event" that flattened over 800 square miles of Siberian forest in 1908 was caused by a stony asteroid only 50 meters in diameter exploding in the lower atmosphere.

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The heat exchangers and pipework required to make a 10MW plant already exist, but the 100MW facility will need a pipe that is not only 1km long (in order to reach the cold water at depth) but ten metres in diameter (in order to bring enough of that cold water to the surface).

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