depress	make lower
drop	decline
shivering	dreszcze
counteract	reduce negative effect
steadily	gradually
unconsciousness	ignorance
cardiac arrest	heart failure
predict	forcast
vulnerable	susceptible easily affected podatny
immersed	submerged
equalise	wyrównywać
steadily	regularly równomiernie
on occasion	sometimes
shore	brzeg
incapacitated	disabled
insulation	izolacja
teading water	floating pływać w miejscu
infra-red	podczerwien
groin	pachwina
conserve	protect
huddle	crowd stłoczyć się
invariably	always
wreckage	debris ruin szczątki
on no account	under no circumstances
dilate	wider
casualties	victims
jolts	shake szarpnięcie
adversely	badly in a harmful way niekorzystnie
sheltered area	safe haven
rub	polish
trunk	torso
severe	harsh
donate	give
resistance	no to be affected
resistent	unaffected strong