| 词汇 | diameter |
| 释义 | noun the diameter of a tree trunk树干的直径 The dome is 42.3 metres in diameter. 这个穹顶直径为 42.3 米。 a lens magnifying 300 diameters (= making something look 300 times larger than it really is)放大 300 倍的透镜 The mirror is 25cm in diameter. The tubes have an internal diameter of 2 mm. a method of calculating the diameter of the earth The diameter of the tree trunk was more than a metre. The dome is 42.3 metres in diameter. 这个穹顶直径为 42.3 米。 The radius of a circle is half its diameter. |
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