vacillant

常見例句

• When you have chosen one subject to follow, stick to it, never change your idea to another one, because a learner vacillant between subjects can hardly arrive at any success.
  儅你在學(xué)習(xí)一個學(xué)科時，決不要想學(xué)習(xí)另一學(xué)科。經(jīng)常改變學(xué)科者，終難成功。
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