
v.解開(kāi);松開(kāi);取消
He tried to undo the knot by picking at it with his fingers. 他用手指不停地扯,想把繩結(jié)解開(kāi)。
To return a database to its state as of the last committed change, i.e., to undo recent uncommitted changes. 使一個(gè)數(shù)據(jù)庫(kù)返回到它上次已確認(rèn)的改變之后的狀態(tài),即取消最近的尚未確認(rèn)的變動(dòng)。
A compensating transactions:學(xué)報(bào);會(huì)報(bào)." target="_blank">transaction means that a new transaction will undo the effects of previous transactions. 補(bǔ)償事務(wù)的意思是一個(gè)新事物會(huì)用于取消前一個(gè)事務(wù)的所有效果。
undo指將原本捆綁著的東西打開(kāi),如鞋帶、包裹等,即“松開(kāi),解開(kāi)”,主要強(qiáng)調(diào)解開(kāi)的動(dòng)作,而不強(qiáng)調(diào)解開(kāi)的狀態(tài)。引申可指“毀壞,敗壞”。
undo多用作及物動(dòng)詞,后接名詞或代詞作賓語(yǔ)。可用于被動(dòng)結(jié)構(gòu)。
undo的過(guò)去式是undid,過(guò)去分詞是undone。
adv.無(wú)疑地
n.扼要報(bào)告;概要;[棒球]夾殺
n.日落時(shí)分
adj.無(wú)正式文件的;無(wú)事實(shí)證明的