Intercalation
n. 设置闰日(月等), 插入\\n[化] 插层反应; 嵌入
✅ 同义词
🗣️ 情景例句
Aren't you going to the aerobics class this morning?
今天上午你不是去上有氧运动课吗？
Yes,I had breakfast two hours ago.
是,我2小时以前吃了早餐。
OK. Thanks very much!
好吧，多谢。