2 文書を見つけるための辞書。

• agent
• 動因, 原因物
• an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents"
• 活性化した有効な原因

• cause, causal agency, causal agent
• 原因物
• any entity that produces an effect or is responsible for events or results
• 物事の起因となる物