Causa
[法] 理由, 原因, 条件
🗣️ 情景例句
What's the problem?
什么事？
May I refill your drink?
再喝一杯如何？
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。