名词

1.开，启

2.（尤指作为通道的）口子；孔洞

3.（主美）林中空地

4.（正式的）开始；开端；首场演出

5.和合页（书中面对面的两页）

6.（职位的）空缺

7.有利机会；机遇

8.【棋】开局

a.

开放的；开始的；首场演出的

英语解释

opportunity especially for employment or promotion

first or beginning

the first performance (as of a theatrical production)

a ceremony accompanying the start of some enterprise

an open or empty space in or between things

the initial part of the introduction

a recognized sequence of moves at the beginning of a game of chess

a vacant or unobstructed space that is man-made

becoming open or being made open

the act of opening something

an aperture or hole that opens into a bodily cavity

a possible alternative

an entrance equipped with a hatch; especially a passageway between decks of a ship

the first of a series of actions