join v. n.
What club do you want to join?
此句中的join是及物动词,意为加入,参加,这是其最常见的用法。另外它还有其它用法,如:
①The two rivers join at the bridge.(此句中的join是不及物动词,意为会合,联合,相遇。)
②The two pieces were stuck together so well that we could hardly see the join.(此句中的join是名词,意为连接处,接缝。)