Hider
[计] 封闭多边形
🗣️ 情景例句
I got you.
明白了。
He who would catch fish mush not mind getting wet.
欲擒龙王，就得下海。
Sure enough, a policeman arrived on the scene and politely asked the workmen to go away.
果然，警察来了，不礼貌地请工人离开此地；