Very pistol
na. 【海】维利式信号手枪\\n
🧩 词语组成解析
pistol
['pɪstl]
n. 手枪;
v. 用手枪射击;
🗣️ 情景例句
You have an eye for beauty.
你有审美的眼光。
I'm taking Chinese and History.
我将选中文和历史。
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。