Hall generator
[电] 霍尔产生器
🧩 词语组成解析
hall
[hɔ:l]
n. 过道，走廊;大厅，前厅;娱乐中心，会所;
🗣️ 情景例句
I was counting on more.
我期待着会比这要要。
How long will it take you to make it?
你要多久才能做好它？
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。