英和和英

Two seconds.

A period of two seconds.

Fifteen seconds

a second

every second

a second time

a second time

a ten‐second delay

a duration of time lasting one second

cycles per second

Sixty seconds make a minute.

within 10 seconds

3 seconds flat

in a second

in a fraction of a second

vibrations per second

a basic unit of time, called second

thirty-minutes of time

The lights will come on in a few seconds.

at 15 meters a second

A minute has sixty seconds.

sixty minutes

a condition of some time having passed

second the motion

how many minutes

in second

an angle of 10 arcseconds

elapsed time

the time that has elapsed

for a split second