1 sentence

1. 十二年前，我转入了我三年时间中所上的第三所学校。

   shí'èr nián qián, wǒ zhuǎn rù le wǒ sān nián shí​jiān zhōng suǒ shàng de dì sān suǒ xué​xiào.

   Twelve years ago I transferred to my third school in three years.

   Source: CCMatrix