单词
diameter
读音
daɪˈæmɪtər
美式
英式
词根
"Diameter" 来自于希腊语词根 dia- ，意为“穿过”，而 -meter游 来自于希腊语 metron，意为“测量”。 整个词意为“穿过...的测量”。
释义
n. 直径 [ 复数 diameters ]
例句
The dome is 42.3 metres in diameter.
这个穹顶直径为42.3米。
The axis of a circle is its diameter.
圆的对称中心线就是直径。
It turns out that the diameter is actually 2.5 centimeters.
它的直径实际上是 2.5 厘米。
The dome is 42.3 metres in diameter.
这个穹顶直径为42.3米。
The axis of a circle is its diameter.
圆的对称中心线就是直径。
It turns out that the diameter is actually 2.5 centimeters.
它的直径实际上是 2.5 厘米。
强化记忆
"Diameter" 的字面意思是“穿过的测量”，你可以想象一条线穿过一个圆的中心，这条线就是直径。记住这个画面，会帮助你记住这个单词的意思。"Diameter" 一词源自于16世纪拉丁文 "diametrus"，也延续了其希腊语词根的意思，广泛应用于测量、数学以及科学的领域。
看视频学发音
25,000 miles up,100-meter diameter lens.So, imagine a lens the size of a football field.
Together, the seven mirrors in this telescope will comprise80 feet in diameter.So, essentially the size of this entire auditorium.
far thinner than the skin of an applecompared to its diameter.It may look infinite when we look up,
that a circle's circumference would get smaller or largeralong with its diameter,but the relationship goes further than that.
we can make millions of mirrors,each one-fifth the diameterof a human hair,
所属分类
出国,专升本-自考,专四专八,程序员,其他
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