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- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- The bird-song is the echo of the morning light back from the earth. 鸟的歌声是曙光从大地反响过去的回声。
- His words aroused no echo in their hearts. 他的话未能在他们心中引起共鸣。
- It prevents the other end from hearing an echo of themselves. 该功能可以防止远端听到他们的回声。
- The daily echo have a readership of over ten millions. 《每日回声报》拥有读者逾一千万人。
- Her softening voice chimed in beautifully with the echo of the music. 她柔和的嗓音与乐曲的回声美妙地融为一体。
- The young man is only an echo of his mother's opinions. 那个年轻人只不过是他母亲意见的附和者。
- The Daily Echo has a readership of over ten million. 《每日回声报》拥有读者逾一千万人。
- The return of the echo will elapse longer time. 回声返回所耗的时间越长了。
- She shouted on the mountaintop and listened for the echo. 她在山顶上大声喊着，然后聆听着回声。
- A circuit that needs to use an echo trap if the circuit is used alone. 一种电路，如果单独使用它，则需要使用回波抑制设备。
- Measured the planetary tilt in degrees. 测量地球倾斜的角度
- A device used underwater to produce pulses of sound, as for an echo sounder. 声脉冲发送器置于水下产生声脉冲的装置，如回音器中的装置
- An echo was returned from the round wall. 从圆形的墙壁反射出回声。
- The echo rebounded from the round wall. 回声从圆形的墙壁上传回。
- The valleys echo the sounds of the mountains. 山鸣谷应。
- He formulated the theory of planetary movement. 他系统阐述了行星运动理论。
- Most planetary orbits are not circles but ellipses. 大多数行星的运转轨道是椭圆形而非圆形。
- Kepler's Laws of planetary motion. 开普勒行星定律。
- Planetary Association for Clean Energy, Inc. 清洁能源行星协会公司;
