• 火(fire)
• 包(wrap; package)

A cannon uses fire to shoot bullets that are sealed tightly inside.

• 弓(bow (weapon))
• 单(single; one)

Using a bow to shoot one bullet at a time is the essence of elastic release.

• 土(earth; soil; land)
• 亢(high; hard)

A pit is a hole where earth is dug deep down, with a sound close to the "kang" component.

• 火(fire)
• 包(wrap; package)

A cannon uses fire to shoot bullets that are sealed tightly inside.

• 弓(bow (weapon))
• 单(single; one)

Using a bow to shoot one bullet at a time is the essence of elastic release.

• 土(earth; soil; land)
• 亢(high; hard)

A pit is a hole where earth is dug deep down, with a sound close to the "kang" component.