Arsked
(arsk 的過去時) [地名] [俄羅斯] 阿爾斯克
??? 情景例句
That took place right after the First World War, didn't it?
它就發(fā)生在第一次世界大戰(zhàn)之后，是嗎？
But after one week and I still hadn't made a single sale, my heart was in my boots.
但過了一星期還沒有做成一筆生意，我感到十分焦急。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
這種通訊聯(lián)系要靠21厘米波段，即每秒1420兆周的精確無線電頻率。