🗣️ 情景例句
He is good at getting a point across to people.
他善于让人信服他的观点。
Better good neighbours near than relations far away.
远亲不如近邻。
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。