Ciclamycin
[化] 环霉素
🗣️ 情景例句
Yes,
是的，
Ignorance is the mother of impudence.
厚颜无耻由于愚昧无知。
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。