Raghu
n. (Raghu)人名；(印)拉古
🗣️ 情景例句
Say good-bye to Richard.
替我向Richard说声再见。
Old wood is best to burn, old book to read.
老柴好烧，老书宜读。
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。