theoretically

• 副词，表示“从理论上说”或“按照理论而非实践”。用于描述基于抽象推理或科学原理、而非经验数据或实际应用的概念、可能性或解释。

An adverb meaning 'in a theoretical manner' or 'according to theory rather than practice.' It is used to describe concepts, possibilities, or explanations that are based on abstract reasoning or scientific principles rather than empirical evidence or real-world application.

1. In theoryB2formal

   According to theory or principles, rather than actual practice or experience.

   理论上

   • Theoretically, this machine should work without any fuel.
   • The plan is theoretically sound, but we need to test it.
   • Theoretically, all students can achieve high grades with enough effort.

   同义词conceptuallyhypotheticallyin principlein theoryon papersupposedly

   反义词actuallypracticallyreally

2. HypotheticallyB2formal

   Used to describe something that is possible in principle, but not necessarily in reality.

   理论上

   • Theoretically, you could travel to Mars in a few months.
   • Theoretically, the economy could recover within a year.
   • Theoretically, the drug could cure the disease, but more research is needed.

   同义词conceptuallyhypotheticallyin principlein theoryon paper

   反义词actuallypracticallyreally