Vocabulary

seasoning; flavour; flavor

(hot) saltwater bath

salted fish

salt; salts

saline

at (a time or place); in; on

in; at; for

dirty trick

filthy; unfair; dirty; untouchable; disgusting; nasty

uncleanness; impurity; defilement

to be violated; to be corrupted; to be polluted; to be stained

disgrace; humiliation; insult

(bacterial) contaminant; pollutant

source of pollution

decontamination

staining; spoiling; soiling; defacing; damage

concave; hollow; sunken

to dent; to indent; to depress; to humiliate

to dent; to indent; to depress; to humiliate

to cave in; to become depressed; to sink

to hollow out

concave lens

cavernous eyes

concave glasses

concavity

concavity; hollow; depression

rice field in a low place

concavity

competitor; contestant; player; athlete

competitor

regatta; boat race

competitive relationship

competitive market

auction

joint management

co-prosperity sphere

common benefit; public good

monthly fee for common areas of an apartment building (lighting, etc.); condo fees

costar; coactor

coeducational plan