/ə'laɪn; ə`laɪn/
v
1 (a) [Tn, Tn.pr] ~ sth (with sth) place or arrange (a thing or things) in a straight line 将（某物）放置或排列在一条直线上
*a row of trees aligned with the edge of the road 与路边成一直线的一排树.
(b) [Tn] put (the parts of a machine) into the correct position in relation to each other 将（机器的部件）安装到相互间正确的位置上
*align the wheels of a car 校准汽车的轮子.
2 [Tn.pr] ~ oneself with sb join sb as an ally; come into agreement with sb 与某人结盟; 与某人一致
*The Communist Party has aligned itself with the Socialists. 共产党与社会党结成了联盟.

v
[Date: 1400-1500; Language: French;Origin: aligner, from ligne 'line']
[T]
to publicly support a political group, country, or person that you agree with
align yourself with sb/sth
　Church leaders have aligned themselves with the opposition.
　a country closely aligned with the West
[I and T]
to arrange things so that they form a line or are parallel to each other, or to be in a position that forms a line etc
　The desks were neatly aligned in rows.
　Make sure that all the holes align.
[T usually passive]
to organize or change something so that it has the right relationship to something else
align with
　This policy is closely aligned with the goals of the organization.