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
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
Do you know when he will be back?
你知道他什么时候会回来？
'How's Tommy?' he asked.
“汤米怎么样？”他问。