theories 

  1. 名詞
theory複數: 理論, 原理
論說, 論
學理, 學說
看法, 見解
推測, 揣度
意見
theories of ...(思想、領域等):
...論
theories that ...(完整句):
...的看法

    同義字詞
hypothesis,proposition,supposition,thesis

例句

  1. Exactly what data and theories are we examining?
  2. Sigmund Freud further developed on these theories .
  3. There are several theories that try to confirm this.
  4. We still only have theories and don't actually know.
  5. Alternative axiomatic set theories – by Randall Holmes.