human-to-human
UKUS
Definitions
adj.
Occurring directly between people.
人与人之间（直接发生）的。
Root Breakdown
Root-derived+
toone who, relating to
=human-to-human
human-to-human = directly from one person to another, e.g. human-to-human transmission of a virus, or human-to-human contact (vs machine-mediated).
Root hum still carries 46 more wordsExample Sentences
- 1.
There was no evidence of human-to-human transmission of the virus.