Flurecol
抑草丁
🗣️ 情景例句
Right.
对。
Some young couples get married on that day too.
一些年轻的夫妇也在这一天结婚。
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。