Traf
abbr. traffic 交通; 通行; 运输; 贸易
🗣️ 情景例句
how could I live in Los Angeles
我怎么能住在Los Angeles
How much?How many?
共多少？
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。