n.
an organization of people (or countries) involved in a pact or treaty
同义词:alliancecoalitionalinement
the spatial property possessed by an arrangement or position of things in a straight line or in parallel lines
(astronomy) apparent meeting or passing of two or more celestial bodies in the same degree of the zodiac
同义词:conjunction
the act of adjusting or aligning the parts of a device in relation to each other