Biconical
a. 双锥(形)的
🗣️ 情景例句
Smokers pollute the air.
吸烟污染空气。
This food is out of this world.
这真是人间美味。
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。