Electroultrafiltration
电超滤作用
🗣️ 情景例句
The office seems so far away.
办公室好像变得那么遥远。
I'm dead!
死定了！
l am vacuuming the floor now and have several shirts to iron.
我正在用真空吸尘器清理地板，还有好几件衬衫要熨。