Checkerboarding
[计] 划方格线, 划分小格
🗣️ 情景例句
Please keep off the grass.
请勿践踏草地。
All work and no play make Jack a dull boy.
尽量学，尽情玩。
OK. Let me help you. There! OK?
我来帮你，瞧，行了吧？