Carone
蒈酮, 5-蒈酮
🗣️ 情景例句
is no longer in service.
是空号。
He deserves praise.
他应得称赞。
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。