- 理論上｛りろんじょう｝
- as a speculation: 思惑で
- on speculation: 投機で
- speculation: speculation n. 思索; 推測, 憶測; 投機.【動詞＋】She disturbed his speculations to inform him of a new piece of evidence.彼が考えごとをしているところを中断させ, 新しい証拠について彼に知らせたend speculation憶測を終わらせるexcite speculation憶測を呼ぶfuel spec
