▲关于 swim team 与 swimming team

两者都可以，但以 swimming team 为普通，swim team 似乎主要用于美国英语。下面是相关的词典例句：

1. swimming team的例句

Their swimmingteam won the races. (McArthur)（张道真《现代英语用法词典》）

He's training the British Olympic swimming team.（《牛津高阶英汉双解词典》）

She was captain of the Olympic swimming team.（《麦克米伦高阶美语词典》）

2. 用swim team的例句

Is Sam still in the running for the swim team?（《朗文美语词典》）

The captain of the swim team is quite a swimmer. （《美国英语习语和短语动词词典》）

▲关于 dance club 与 dancing club

在词典上查到一些dance club的用例：

Music pours out of the dance clubs at night. （《韦氏高阶英语词典》）

The overcrowded dance club contravened safety regulations. （《韦氏高阶英语词典》）

但根据以下类似例句可推知，英语应该可以说 dancing club：

the sailingclub

Betty belongsto the swimming club. (Neal)

We went along to the local diving club, full of enthusiasm.

Our figure skating club has exclusive use of the rink onMondays.