Diazoethane
重氮乙烷
🗣️ 情景例句
Should children be allowed to watch violent movies?
小孩可以看暴力片吗？
Empty vessels make the greatest sound.
空桶响声大。
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。