投入
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Noun meaning 'throw' (physical action), 'investment' (of resources), or 'making' (as in completing an electrical circuit). It often combines with verbs like 『する』 (suru) to form compound verbs.
Theme
At a robotics workshop, User and their teammate Ken are assembling a circuit and discussing how to connect components.
投入
とうにゅう
throw, investment, making (an electrical circuit)
Advanced ExpansionAbstract Concepts
Memory Hook
Think of 'throw' as tossing a ball into a game—'tou-nyuu' (投入) sounds like 'throw new' investment into a project. 'Throw in' → 投入 (tounyuu).
Cultural Note
In business contexts, 『投入』 (tounyuu) is commonly used to refer to investment of resources like money or effort, such as in phrases like 『資金を投入する』 (shikin o tounyuu suru, 'to invest funds').
Forms
Base: 投入Noun meaning 'throw' (physical action), 'investment' (of resources), or 'making' (as in completing an electrical circuit). It often combines with verbs like 『する』 (suru) to form compound verbs.