委内瑞拉马脑炎病毒

• 冂(outer boundary; fence)RADICAL
• 入(enter; go in)ASSOCIATIVE

Inside a fence, something that has already gone in becomes what is enclosed.

• 扌(hand)RADICAL
• 立(upright; erect)PHONO-SEMANTIC

Using your hand to pull someone up straight is the meaning of the character 拉.

• 馬(horse (pictographic))ASSOCIATIVE

The character 馬 depicts a horse with a mane, body, and four hooves running swiftly.

• 疒(illness; patient in bed)RADICAL
• 丙(third heavenly stem)PHONETIC

A person lying on a sickbed crying out in pain everywhere sounds like "bing."

• 母(mother; origin)RADICAL
• 龶(toxic grass; harmful plant)ASSOCIATIVE

A toxic plant grows from the earth like a mother nurturing life, but carries deadly poison.