Old English openung "act of opening" (a door, mouth, etc.), "disclosure, manifestation," verbal noun from present participle of open (v.). Meaning "vacant space, hole, aperture, doorway" is attested from c. 1200. Meaning "act of opening (a place, to the public)" is from late 14c. Sense of "action of beginning (something)" is from 1712; meaning "first performance of a play" is 1855; "start of an art exhibit" is from 1905. Sense of "opportunity, chance" is from 1793.
权威例句
1. He flipped through the post without opening any of it.
他飞快地翻了一下邮件,但一封也没有打开。
2. He squeezed through a narrow opening in the fence.
他从围栏上的狭窄缺口里挤了过去。
3. Before opening the front door he lifted the cases experimentally.
在打开前门之前,他试探性地提起了那些箱子。
4. She then decided right before the opening to make a dramatic announcement.
然后就在开幕式开始之前,她决定要宣布一件激动人心的事情。
5. The American served three aces in the opening game of the set.