Translation

• to throw into
• to put into
• to throw oneself into
• to participate in
• to invest in
• absorbed
• engrossed

Synonyms

• 入, 入伙, 加入, 加盟, 参加, 在, 进入

Examples

• 该公司在这个企划中投入了很多钱。
  The company invested a lot of money in this project.
• 当更多的纸币投入使用，价格就下跌了。
  As more paper money came into use, the value fell.