Chromatic vision
[医] 色觉, 色视症
🧩 词语组成解析
🗣️ 情景例句
This is show business.
而今天这个却是演艺事业。
Beg from beggers and you'll never be rich.
向乞丐乞讨，永远发不了财。
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。