Bounded variable
[计] 有界变量, 受限变量
🧩 词语组成解析
a. 有界限的
🗣️ 情景例句
What's the problem?
什么事？
Please don't blame yourself.
请不要责怪你自己。
As it is, they have been drilling for sixteen hours and they still have a long way to go.
实际情况是，他们已连续钻了16个小时了，但离钻透还早着呢。