"補"在漢英詞典中是一個多義項漢字，其核心含義圍繞"補充、修複"展開。根據權威詞典釋義與語言學研究，該字可分為以下語義層次：
他們中的某些人，主要是女性，現在會以「高齡學生」的身份出現在我的課堂里，補起他們二十多年前丟下的課程。
動詞：修理複原 指修複破損物品，對應"mend/mend"。牛津漢英雙解詞典收錄"補衣服"譯為"mend apparel"，該語義源自古代紡織業修補衣物缺口的行為，現擴展至機械維修等領域。
動詞：彌補不足 表示填補缺失部分，對應英文"health supplement"或"make up"。如"補差價"譯作"fork out the value difference"，《現代漢語詞典》指出該用法最早見于《說文解字》的"補，完衣也"，後引申為物質與抽象層面的補充。
a program for observing Television set programmes when they are already broadcast, using a computer, telephone, and so forth. that is definitely linked to the net:
with assessments which can be evaluated by an neutral Device, 「performed」 is really 「what Everybody agreed on」, not 「Virtually performed with just a couple issues to fill in tomorrow」.
some of them, predominantly Girls, now display up in my courses as 「older pupils, 」 often returning to just take up the instruction they dropped out of twenty-some yrs back.
She's keeping late for the Workplace to meet up with/on some stories. 她在辦公室留到很晚，趕寫幾份報告。
學校進度跟不上：在學校課堂學習有困難、跟不上進度，基礎較薄弱，需要補強單字、文法與聽說能力等。
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名詞：補充物 作為物質名詞時指代補充品，對應"supplement/patch"。現代用法如"維生素補劑"譯作"vitamin health supplement"，此釋義在《新世紀漢英大詞典》中被歸入藥學範疇。
In which 補英文 qualified users of employees have labored agreed further several hours previously mentioned their ordinary Functioning week, the University delivers day without work in lieu. 當有資格的員工在每週規定的工作時間之外，經過同意又花了額外的時間在工作上時，大學會給他們補假。
用一個公正的工具來做評測，比如「完成」是真地完成了「大家一致同意的事情」，而不是「大部分都做好了剩下幾件小事明天補」。
and going on from thence, he saw other two brethren, james the son of zebedee, and john his brother, inside a ship with zebedee their father, mending their nets; and he known as them.