Shunga
[单复同]<日> n.春宫画
🗣️ 情景例句
Your favorite people?
你喜欢的人？
Where were you on Tuesday?
星期二你在哪里？
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。