Infrasizer
超微粒空气分级器
🗣️ 情景例句
I suppose I could call him.
我想我可以打电话给他。
I can assure you the prices we offer you are very favorable.
我敢保证我们向你提供的价位是合理的。
She entered the station twenty minutes before the train was due,
在火车进站20分钟前她就进了车站。