Sectoral horn
[电] 扇形喇叭
🧩 词语组成解析
a. 扇形的
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
He has no command over himself.
他不能克制自己。
He is attending a conference now.
他正在出席会议。
Yes. You have to practise a lot.
是的，你得大量的练习。