Concentre

[kɔn'sentә(r)]

解释:

(v. i.) To come to one point; to meet in, or converge toward, a common center; to have a common center.

(v. t.) To draw or direct to a common center; to bring together at a focus or point, as two or more lines; to concentrate.

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解释:

v.i. to tend to or meet in a common centre: to be concentric.—v.t. to bring or direct to a common centre or point:—pr.p. concent′ring; pa.p. concent′red or concent′ered.—adjs. Concen′tric -al having a common centre.—adv. Concen′trically.—n. Concentric′ity.

校对:特伦斯