n.直径，对径，放大率，放大倍数

原形：diameter复数：diameters

This object is 1 meters in diameter.
这物体直径1米。
This object is 3 meters in diameter.
这物体直径三公尺。
He measured the diameter of this treetrunk.
他量了这个树干的直径。
The diameter of the planet is about 12,742 kilometers.
这个行星的直径大约是12,742公里。
The tree trunk's diameter is quite impressive, easily spanning two adults with their arms stretched wide.
这棵树干的直径非常惊人，足以让两个成年人双臂展开后并排站立。
A basketball has a standard diameter of 24 centimeters.
一个标准篮球的直径为24厘米。
The pipeline's diameter is crucial for determining its capacity to transport oil or gas.
管道的直径对决定其运输石油或天然气的能力至关重要。
The diameter of the galaxy is estimated to be several hundred thousand light-years.
这个星系的直径估计有几十万光年。
The atom's nucleus is incredibly small, just a fraction of the atom's overall diameter.
原子核非常小，只占原子总体积的一小部分。
The bridge was designed to accommodate a maximum width of 10 meters, including the pedestrian walkway.
这座桥的设计可以容纳最大10米的直径，包括人行道。
The diameter of a human hair is approximately 0.0005 inches.
人类头发的直径大约是0.0005英寸。
The diameter of Saturn's rings varies, but the average is around 170,000 kilometers.
土星环的直径有所变化，但平均约为170,000公里。
The科学家 measured the asteroid's diameter using radar observations from Earth.
科学家通过从地球用雷达观测测量了这颗小行星的直径。