join，join in，join to

Join的基本詞義是“加入某個(gè)黨派或社會(huì)團(tuán)體，從而成為該黨派或團(tuán)體的一員”。例：

When did they join the conservation organization?

他們是什么時(shí)候參加環(huán)保組織的?

The prodigy joined the International Association of Poets，

Playwrights，Editors，Essayists and Novelists(PEN)when he was only fourteen years old.

這位天才在十四歲時(shí)便成為國(guó)際筆會(huì)會(huì)員。

Join in的意思是“參加某項(xiàng)運(yùn)動(dòng)或活動(dòng)”，例如參加討論、游行、罷工等。例：

More than ten thousand workers have joined in this strike.

有一萬(wàn)多名工人參加了此次罷工。

All of us will join in the celebration of the victory of World War Ⅱ.

我們?nèi)紖⒓舆@次慶祝世界二次大戰(zhàn)勝利的活動(dòng)。

There were many extracurricular activities，but Peter never joined in.

盡管有很多課外活動(dòng)，但彼德從不參加。

Join to的意思是“和…接觸”、“與…相連”。例：

Our house is joined to Mr.So’s.

我們的房子和蘇先生的房子相連。

請(qǐng)注意，join之后如接 oneself再加to，就表示“參加”、“加入”的意思。如：

To my surprise，Mr.Li joined himself to the opposite party last month.

令我驚奇的是，上個(gè)月李先生竟然參加了反對(duì)黨。