Theoretical boundary
[計] 理論界限
?? 詞語組成解析
theoretical
[,θi?'r?t?k?l]
adj. 理論的;推想的，假設的;空論的;
theor考慮+et=em變體，獲得+ ical ...的 →theoret=theorem考慮后獲得的結果=定理 + ical ...的 → a.理論(上)的
??? 情景例句
Yes, I told Daddy to pick blue ones.
是的。我告訴爸爸選藍色的。
Here is a copy of itinerary we have worked out for you and your friends.Would you please have a look at it?
這是我們為你和你的朋友擬定的活動日程安排。請過目一下，好嗎？
The last question is what to read.
最后一個問題是讀什么。