英和和英

open

open wide

The iPad

reeve an opening

to make a beginning―pave the way for something

to pave the way for something

to burst open

to extract the square root （of a number）

being widely open

open waters

open ranks

to open again after closing

open formation

Open sesame!

not open

not open

to open widely

to open (something) to excess

come open suddenly

open invitation

an enlightened age

a lid retractor

to feel relieved―feel relief

open‐minded

become open

something to be opened

to clear a warehouse―make room in a warehouse

to clear （out） the godown―make room in the godown

be wide open

A country becomes civilized.