Elementary formula
[计] 初级公式
🧩 词语组成解析
formula
['fɔ:mjulə]
n. 公式，准则;客套话;方案;婴儿食品;
🗣️ 情景例句
and I thought ... maybe ...
我觉得……也许……
Where are the stairs?
楼梯在哪里呢？
You've made a good choice.
你的眼力不错。