Theory formation
[计] 理论形成
🧩 词语组成解析
formation
[fɔ:'meiʃən]
n. 形成;构成，结构;形成物;编队，队形;
🗣️ 情景例句
Would you like to eat with chopsticks?
你愿意用筷子吗？
Until when?
借到什么时候？
Well, I couldn't sleep last night.
啊，我昨晚上没睡好觉。