英语词源
- concentric (adj.)
- c. 1400, from Middle French concentrique, from Medieval Latin concentricus, from com- "together" (see com-) + centrum "circle, center" (see center (n.)).
权威例句
- 1. Concentric spheres are parallel.
- 同心球面是平行的.
- 2. The street plan of the city has evolved as a series of concentric rings.
- 该城市的街道平面图像一圈圈的同心圆环.
- 3. On a blackboard, he drew five concentric circles.
- 他在黑板上画了5个同心圆。
- 4. Successive wave fronts in this case form a series of concentric spheres.
- 相继波前形成了一系列的同心球面.
- 5. The concentric orifice is most frequently used type.
- 同心圆孔板是最经常使用的形式.
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