Electroultrafiltration
电超滤作用
🗣️ 情景例句
There's nothing wrong with hard work.
刻苦没错。
Having a sense of appreciation for all the people will keep us going on in business.
对所有人都抱一份感恩的心情会使我们的生意长盛不衰。
There are many stars in the sky.
天上有很多星星。