Checkerboarding
[计] 划方格线, 划分小格
🗣️ 情景例句
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
Most of them are less than 30.
他们中大多数不到30岁。
Can I have the key to the front door please?
我能带上前门的钥匙吗？