| 单词 | diameter |
| 释义 | diameter nounadjective | verb + diameter | preposition adjective➤inner, inside, internal内径◆the tubes have an internal diameter of 2 mm.管子的内径是 2 毫米。➤external, outer, outside外径▸➤large, small大直径；小直径verb + diameter➤calculate, determine, estimate, find, measure计算／确认／估计／求得／测量直径◆a method of calculating the diameter of the earth计算地球直径的一种方法➤increase, reduce增加／缩短直径▸➤have直径有⋯preposition➤in diameter直径为⋯◆the mirror is ten inches in diameter.镜子的直径是 10 英寸。diameter /daɪæmɪtə(r)/ [uncountable] the length of a straight line going from one side of a circle or any other round object to the other side, passing through the centre直径；对径◆the radius of a circle is half its diameter.圆的半径是直径的一半。◆the dome is 42.3 metres in diameter.这个穹顶直径为 42.3 米。diameter/daɪˈæmɪtə(r) ||; daɪˈæmətɚ/noun [c] a straight line that goes from one side to the other of a circle, passing through the centre 直径 ☞look at radius and circumference. 参看radius及circumference。 ☞picture at circle 见circle插图 di·am·e·ter /daɪ`æmətə; daɪˈæmɪtə/n [c,u]a line that goes from one side of a circle to the other and passes through the centre 直径:◇the wheel was about two feet in diameter. 这轮子的直径约两英尺。 |
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