VERB
联合;合并
If two or more things coalesce, they come together and form a larger group or system.
例句
Cities, if unrestricted, tend to coalesce into bigger and bigger conurbations...
如果不加限制，城市往往会联合发展成越来越大的集合城市。
His sporting and political interests coalesced admirably in his writing about climbing.
他在写登山的文章中，把自己对体育和政治的兴趣完美地结合了起来。