Theoretical boundary
[计] 理论界限
🧩 词语组成解析
theoretical
[,θiə'rɛtɪkəl]
adj. 理论的;推想的，假设的;空论的;
theor考虑+et=em变体，获得+ ical ...的 →theoret=theorem考虑后获得的结果=定理 + ical ...的 → a.理论(上)的
🗣️ 情景例句
Who's going to be there?
有谁要参加？
That important man is very unassuming in his manner.
那个要人彬彬有礼，是一位毫不摆架子的人。
we quickened our pace and made our way rapidly towards the stream where we hoped the boatman was waiting.
快速地朝深溪边走去，希望船夫还在那儿等着我们。