• 1. use up sth: 快用完
• 2. use sth up: 耗尽
• 3. use up or consume sth: 在…上花费

• 1.To invent is to make something that had no previous existence, such as a machine or a method, through the use of the imagination or through experiment, or to make up sth .
  发明，指发明出某时期以前不存在的新东西或方法等，也可表示“虚构、编造”之意。
  dict.yoduao.com

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