Biconical horn
[电] 双锥形喇叭
🧩 词语组成解析
a. 双锥(形)的
horn
[hɔrn]
n. 角，触角;号角，喇叭;角质;角状物;
vi. 不请自来;闯入;
🗣️ 情景例句
Unless in uniform, he doesn't look like a policeman.
除非穿上制服，要不他看起来不像警察。
Well done!
干得好！
It is, in fact, a primitive type of calendar.
事实上是一种最原始的日历。