音标：[θ'ri:'elɪmənt] ；

三元

词型变化：名词复数形式 : three-elements

three-element的用法和样例：

例句

I bought a basketball book for three yuan.我花了三元钱买了一本篮球书。
A dozen of stampes cost three bucks each, how many stampes are there?一打每张三元的邮票共有几张？

词汇搭配

three-diaphragm element三膜片元件
three-element filter三元件滤波器...
three-element antenna三元天线
three-element servo system三元件伺服系统...
three-ship element三机小队

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