Intercalate
vt. 放置闰日(月等), 插入
✅ 同义词
🗣️ 情景例句
I'm surprised they're not here.
我奇怪他们怎么没来。
The stronger the motivation, the more quickly a person will learn a foreigh language.
一个人学外语的动力越强大、学得就越快。
How dare you!
你敢！