converge
/kənˈvɜːdʒ/verb
no obj.
1- (of several people or things) come together from different directions so as eventually to meet（人或物）聚集, 会合：
convoys from America and the UK traversed thousands of miles to converge in the Atlantic
美英护航舰队横渡数千英里在大西洋会合
figurative 〈喻〉two separate people whose lives converge briefly from time to time.
生活间或短时交汇的两个天各一方的人。
1.1
converge on/upon
come from different directions and meet at (a place)汇集于（某地）：half a million sports fans will converge on the capital for the London Marathon.
五十万体育迷将汇聚首都观看伦敦马拉松比赛。
1.2
- (of a number of things) gradually change so as to become similar or develop something in common（事物）趋同：
the aims of the two developments can and should converge.
这两项发展的目标可以也应该一致。
1.3
- (of lines) tend to meet at a point（线条）趋于相交：
a pair of lines of longitude are parallel at the equator but converge toward the poles.
两条经线在赤道平行而在两极趋于相交。
1.4
- Mathematics (of a series) approximate in the sum of its terms towards a definite limit【数】收敛：
the powers of E therefore converge very slowly indeed.
因此E的指数非常缓慢地收敛。
词源
late 17th cent.: from late Latin convergere, from con- 'together' + Latin vergere 'incline'.