Preionization
[化] 自电离; 预电离
🗣️ 情景例句
I would like to improve my English pronunciation.
我想改善我的英语发音。
I want to make a long distance phone call.
我是想打个长途电话。
I left a suitcase on the train to London the other day.
几天前我把一只手提箱忘在开往伦敦的火车上了。