1、意思上的区别
①、open
adv.敞开的，开着的;公开的，公共的;坦率的;有议论余地的
vt.& vi.（打）开;开始;睁开;启动
n.公开;户外，野外;空旷
vi.使打开;展示，显现
vt.开放;张开;开张营业;为（建筑物）揭幕
②、 opened
adj.断开的
v.（打）开( open的过去式和过去分词 );开始;睁开;启动
2、用法上的区别
①、open
be open to 对……开放的
be open with 不隐瞒
in the open ①在户外,在野外；②公开地（de）
lay open 把……暴露
with open hands 慷慨地
②、 opened
open的过去式和过去分词
3、例句
①、open
A wasp flew in the open window.
一只黄蜂飞进了开着的窗子。
She had difficulty keeping her eyes open (= because she was very tired) .
她连睁开眼睛的力气都没有了。
The flowers are all open now.
花现在都开了。
②、 opened
He opened the back door
他打开了后
Well, he opened up the "Messages" App and showed it to me.
那好，他启动了“短信”程序指给我看。
For instance , the drawers opened , odds and ends dispersed on the floor .
比如说抽屉被拉开了 , 或者零碎的东西散乱在地板上.
扩展资料
同义词辨析：
①、unfold
vt.& vi.展开，打开
vt.摊开;展现，披露
vi.逐渐显露;开展，发展
The outcome depends on conditions as well as how events unfold.
结果取决于条件，还取决于事件的进展。
If the napkin is large, leave it folded double in your lap; if small, unfold it completely.
餐巾如果很大，就双叠着放在腿上，如果很小，就全部打开。
②、turn on
打开（水、电视、收音机、灯、煤气等）;（使）感兴趣;（使）兴奋;发动
I want to turn on the television
我想开电视。
She asked them why they hadn't turned the lights on.
她问他们为什么不开灯。