Refiltration
n. 再过滤
🗣️ 情景例句
Hi, girls.
嗨 ，女孩们好。
To drive a delivery car
驾驶送货车
After taking off, we were flying low over the city and slowly gaining height,
起飞之后，我们在城市上空低低地飞行，然后慢慢爬高。