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1·It opens and closes, like this.

它就像这样打开和关上。《柯林斯英汉双解大词典》

2·The flower opens to reveal a bee.

花开了，露出来一只蜜蜂。《柯林斯英汉双解大词典》

3·His exhibition opens on February 5.

他的展览2月5日开幕。《柯林斯英汉双解大词典》

4·The door opens inwards.

门向里开。《牛津词典》

5·The complex opens to the public tomorrow.

该建筑群明天向公众开放。《柯林斯英汉双解大词典》

6·The slow movement opens with a cello solo.

慢乐章开头是一段大提琴独奏。《牛津词典》

7·The conference opens at 12 noon on Saturday.

这次会议在星期六中午12点开幕。《牛津词典》

8·Every time she opens the window we all freeze.

每次她开窗户，我们都冷得要死。《牛津词典》

9·Travelling really opens your eyes to other cultures.

旅游真正能使人开阔眼界，认识其他文化。《牛津词典》

10·The movie opens with a scene in a New York apartment.

电影开头的一场戏发生在纽约一套公寓里。《牛津词典》

(1)open up打开；开发；开始；展示，揭露

(1)in the open在户外；在野外

(1)open the door开门

(1)in open公开地

(1)open source[计]开放源码；开放资源

(1)open space空地；休憩用地；露天场所