open a door/window/a small shop/one’s hand/one’s eyes/one’s mouth/fire开门/开窗/开一家小商店/张开手/睁开眼/张开嘴/开火；
be opened to traffic通车；
The whole railway line has been opened to traffic.
The railway was opened to traffic last year.
turn on the light;开灯
turn on the tap开水龙头
turn on the TV开电视机
operate a machine;开机器
The road will be opened again in a few hours after police have cleared it.
Now, he opens a small factory of his own.现在他自己办了个厂。
Open the door, please! 请开门！
Could I trouble you to open the window, please?
Mr Chen opened the car door for his wife.
roll the car window down
He rolled down his window and stuck his face out
He rolled his window down and gave the man the money.
He backed up a few feet and rolled the window down
Please open the train [ car] window a bit [ crack; fraction].
open a debate展开辩论
open a park开放公园
open a new store
也可以作为不及物动词：a shop/store, business, etc. 商店、企业等开始营业；开业；开门
What time does the bank open?
The company opened its doors for business a month ago.
The new hospital opens on July 1st.
All shops open at nine o’clock in the morning.
He has worked there since the store opened in 2020.
I open up the store for the day at around 8.30.
Banks closed on Friday afternoon and did not open again until Monday morning.
The original station opened in 1754.
A photographic exhibition opens at the Royal College of Art on Wednesday.
They are planning to open a factory in Eastern Europe
All shops are open all the day.所有商店都是全天开门。
The new store will be open in the spring.
We’re open from 8 to 7 every day.
The show will be open to the public at 2pm; admission will be 50p
Only some bookstores, hospitals and gas stations may be open.
The door was open and on impulse she went inside.
If the pool was open, we’d in all probability still be swimming in it
Our telephone lines are open during normal office hours.
We are open during normal office hours.
They are open outside normal daily banking hours.
The Gardens are open from 10.30am until 5pm.
Our branches are open from 9am to 5pm during the week and until 12 noon on Saturdays.
Its beautiful gardens and parkland are also open to the public
The flowers are all open now.
The park is open from 1 May to 31 October.
The museum is open daily throughout the year.
The museum is open all year round.
The castle is open daily from May to October inclusive.
The park is open during daytime.
The club is open to all and sundry.
The snack bar is open during the day.
The Visitor Centre is open daily 8.30 a.m. – 4.30 p.m.
The arena livens up only on Saturdays and Sundays when a flea market is open there.
leave the door open 开着门；
in the open air 在野外；
an open secret公开的秘密；
keep one’s eyes open睁眼
Don’t keep the door open.
She had difficulty keeping her eyes open .
She had left the door wide open .( closed)
3、be open to对……开放
Many school libraries are open to children on Sundays.
①John was so sleepy that he could hardly keep his eyes________.（高考试题)
A.open B.to be opened
C.to open D.opening
②Some new oilfields ________since 1976.
A.were opened up B.has been opened up
C.have been opened up D.had been opened up
③The computer center, _________ last year,is very popular among the students in this school.
C.having opened D.opened
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