若要具体表明“做某事”，可用 join sb in (doing) sth（但不能是 join in sb doing sth）。. 如：. You might come to join us in the discussion. 你 …
一、意义区别. 1. join的英文意思是：1.become part of，参加；2.become a member of a group or organization,成为…的一员。 因此，"join"强 …
[transitive] to take part in sth that sb else is doing or to go somewhere with them 参与；加入到…之中；与…一道去 ~ sb (for sth) Will you …
join sth together：把……连接起来。 指将两个或多个事物通过某种方式连接在一起。 例如：The engineer joined the pieces of wood together …
(1)join通常指参加某种固定的组织、团队、军队等，强调成为其中一员。 He joined the party in 1927.他1927年入党。 (2)join sb. (in) doing …
更多内容请点击：四个参加join / join in / take part in /attend - 知乎