备用二级头呼吸器

• 用(use; utilize)ASSOCIATIVE

A bucket with a handle is what people pick up and use every day.

• 二(number two; two horizontal strokes)ASSOCIATIVE

Two parallel horizontal strokes symbolize the number two.

• 糹(silk thread; strand of silk)RADICAL
• 及(reach; catch up with)PHONO-SEMANTIC

Ranks stack like threads connecting one after another, each step reaching a higher level.

• 大(large; big)RADICAL
• ⺀(two dots indicating hair; top of head)ASSOCIATIVE

The head is the largest and most prominent part on the human body.

• 口(mouth; opening)RADICAL
• 及(to; toward; with)PHONO-SEMANTIC

A mouth stretching out to breathe is like a hand reaching for something.