Tarare
麻帆布
🗣️ 情景例句
We also like to know
我们还想知道，
Thank you but this is something I have to decide alone.
但有些事情我必须自己作决定。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。