Compound magnet
[电] 复磁铁
🧩 词语组成解析
magnet
['mægnət]
n. 磁铁，磁石;有吸引力的人或物;[物]磁体;
🗣️ 情景例句
I'll be right back.
我马上就回来。
Please ring off.
请挂电话。
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。