🧩 词语组成解析
n. 范围, 领域;见识;机会(scope的复数形式)
🗣️ 情景例句
I want some whiskey straight up.
我想要些纯威士忌。
Which one is more delicious.
哪一个是比较好吃的?
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。