Lophocercous
嵴尾鳍
🗣️ 情景例句
At six o'clock this evening.
今晚六点。
What's the big deal?
这有什么大不了的？
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。