英和和英

Two seconds.

A period of two seconds.

Fifteen seconds

within 10 seconds

a ten‐second delay

3 seconds flat

five times―quintuple

vibrations per second

by a margin of 0.5 of a second

The second power of 5

a duration of time lasting one second

an angle of 10 arcseconds

every second

cycles per second

the minute hand―the hour hand

two point five

one thousandth (10^-3) of a second

Please hold your breath for five seconds.

at five

half 5

at half past five

at half past five

six times five

Sixty seconds make a minute.

fifteen minutes―a quarter of an hour

thirty-minutes of time

three minutes and thirty seconds

a fifth

a minute scale

five nights