A Great Young Athlete
7.i have won three medals since i joined the track and field team.
①join v.
1)(常與to，together連用)結合；連接
tie a knot to join those two pieces of rope.打個結，把這兩根繩子連上。
this road joins the two villages.這條馬路把兩個村莊給連接起來了。
2）使結交；聯姻 to join people in marriage 聯姻
3）（與in，for連用）伴；隨同；與…一起
will you join me in a walk? 你愿和我一起散步嗎？
will you join us for coffee? 你愿意和我們一起去喝咖啡嗎？
4）參加；加入（一般指參加某一組織、團體或某群人）
to join the party 入黨
he joined the army.他參軍了。
everyone joined in the game.每個人都參加了游戲。
when did he join the cult? 他何時成了一名狂熱的信徒？
5）會合；交接
where does the path join the road? 這條小路在那里與大路相交？
where do the two roads join? 這兩條馬路在哪兒會合？
6）常用詞組：join in 參加（一般指參加某項活動）
②現在完成時+ since從句（從句一般用過去時）
he has lived here since he was four years old.自從他四歲，他就住在這。
kate has learned to play the violin since she was a primary student.
自從凱特上小學她就學習拉小提琴。