英和和英

happen at the same time

happening at the same time

to occur at the same time―synchoronize

at the same instant

of two or more tasks, to be done at the same time

about the same time

together with

operate simultaneously

happening or existing or done at the same time

coinciding with reality

occurring from time to time

to occur at once

happen regularly

twice

occurring in more than one stage

the number of times that the same thing occurs or is carried out

the relative frequency of occurrence of something

happening at a time subsequent to a reference time

the moment when a person gets up

occurring in spells and often abruptly

the time when something happens

This kind of phenomenon sometimes happens.

it's the natural thing to happen

(of troubles) to happen continuously

a happening that occurs only once and is not repeated

happening suddenly

the rate of some repeating event

the tendency of occurring only for a brief period

It may occur at any moment.

happening or recurring at regular intervals