Postulation formula
[经] 假定公式
🧩 词语组成解析
n. 假定\\n[经] 假定, 要求
formula
['fɔ:mjulə]
n. 公式，准则;客套话;方案;婴儿食品;
🗣️ 情景例句
It's not easy being away from home.
离家独闯不容易。
Nice to meet you.
很高兴认识你。
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。