Floodfill
填满
🗣️ 情景例句
He worked his way through college.
他半工半读念完大学。
The land in this region is dry and parched.
在这个区域的陆地是干燥炎热的。
I'd like to come and cover the walls with some bright paintings.
我愿意给墙上画几幅色彩鲜艳的画。