🗣️ 情景例句
I love it when people come over to visit.
我喜欢别人来造访。
Dogs that run after many hares kill none.
多谋寡成。
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。