shoot

1. Origins, structure, and basic meaning

• Structure: 射 means to shoot; its on-reading is しゃ.
• Basic usage: 注射(ちゅうしゃ) means an injection, while 反射(はんしゃ) means reflection.

2. Common pitfalls and similar expressions

• 反射 for both light and sound
  • 反射 applies to light reflected on a lake and to sound echoing off walls.