complement
名词 complement:
a word or phrase used to complete a grammatical construction
a complete number or quantity
number needed to make up a whole force
同义词:full complement
something added to complete or make perfect
one of a series of enzymes in the blood serum that are part of the immune response
either of two parts that mutually complete each other
动词 complement:
make complete or perfect; supply what is wanting or form the complement to