join, join in, join to
join与join+介词构成的词组在意义上也是各不相同的。
join: 其基本词义是“加入某个党派或社会团体，从而成为该党派或团体的一员”。
- when did they join the conservation organization?
他们是什么时候参加环保组织的？ - the prodigy joined the international association of poets when he was only fourteen years old.
这位天才在十四岁时便成为国际笔会会员。
join in: 意思是“参加某项运动或活动”，例如参加讨论、游行、罢工等。
- more than ten thousand workers have joined in this strike.
有一万多名工人参加了此次罢工。 - all of us will join in the celebration of the victory of world war Ⅱ.
我们全都参加这次庆祝世界二次大战胜利的活动。 - there were many extracurricular activities，but peter never joined in.
尽管有很多课外活动，但彼德从不参加。
join to: 意思是“和...接触”、“与...相连”。
- our house is joined to mr．so's.
我们的房子和苏先生的房子相连。
