英和和英

need the spur

require exertion

needing nourishment

needing moisture

have need of

clamant needs

to meet a need―meet a want

to meet a need

urgently needed

do the needful

to cause necessity―necessitate

be urgent

by necessity

to meet the demand―supply the demand

to supply the demand―meet the demand

an emergency

demand and supply

to be necessary

do the necessary

to suit the exigency

revision required

of something, to be needed

required reading

to be pressed by necessity

urgent necessity

to urge （on one） the necessity of something―impress upon one the importance of something

Is required

an urgent demand

an urgent demand

consider obligatory