[建] 浓缩

Concentrate \Con*cen"trate\ (? or ?), v. t. [imp. & p. p.
{Concentrated}; p. pr. & vb. n. {Concentrating}.] [Pref. con-
+ L. centrum center. Cf. {Concenter}.]
1. To bring to, or direct toward, a common center; to unite
more closely; to gather into one body, mass, or force; to
fix; as, to concentrate rays of light into a focus; to
concentrate the attention.

(He) concentrated whole force at his own camp.
--Motley.

2. To increase the strength and diminish the bulk of, as of a
liquid or an ore; to intensify, by getting rid of useless
material; to condense; as, to concentrate acid by
evaporation; to concentrate by washing; -- opposed to
{dilute}.

Spirit of vinegar concentrated and reduced to its
greatest strength. --Arbuthnot.

Syn: To combine; to condense; to consolidate.