Radices
[医] 根
🗣️ 情景例句
Conversation full of wit.
情趣横溢的谈话。
I often go to market in the afternoon.
我常常在下午去市场。
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。