与美国小学生一起学英文第4册(MP3+中英字幕) 第12期:天线
日期:2017-05-29 17:17

(单词翻译:单击)

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Antenna
天线

An antenna is used for radio, television, radar and so on.
天线用于广播、电视、雷达等等3xB[1ziSJ4eiH
It works in air and under the water.
它适用于空中和水下;9IgctNTc(gN
Antennas send signals and receive signals.
天线发送和接收信号qLC_kN+^b[F^!
antenna

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Antennas make those signals stronger, so people can listen to the radio better and watch TV more clearly.
天线使那些信号变得更强,因此人们能更好地听广播、更清晰地看电视%;5Oziu68~YHB4
Thomas Edison and Heinrich Hertz used antennas and developed them very well in the 1800s.
十九世纪,托马斯·爱迪生和海因里希·赫兹使用天线并很好地发展了它们!;a!^8r,1AVgEdu_U(

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