Cofiltration
余滤子
🗣️ 情景例句
If only we could bottle the fresh air.
要是我们能用瓶子将新鲜空气装回去多好。
Don't give up.
别放弃。
Several girls stopped and looked in one of the glass-topped tables.
几个女同学停下来仔细看看陈列在一张带玻璃罩的桌子里的东西。