🗣️ 情景例句
You lost by a very small number of votes.
输的票数非常少。
To wait impatiently for the late bus
焦急地等着迟迟不来的公车
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。