とうにゅう投入tounyuu
1.
The act of placing or introducing something into a location, often with a sense of intention or purpose.
2.
The allocation of resources, such as capital or labor, into a project or endeavor to facilitate progress and development.
3.
A technique in floral arrangement where natural forms are used creatively within a specific type of vase, highlighting the beauty of the materials used.
Example:
敵は新兵力を投入した。