Monotonicity
单调性, 单一性
🗣️ 情景例句
I knew it! I knew it!
我就知道是这样 ，我就知道是这样！
Did you have a nice holiday?
你假期过得愉快吗？
Ready? Go! Mr. Hu shouted, and the boys started to run.
“预备--跑！”胡先生喊道，男孩子们开始跑。