mouse; rat; dark gray; dark grey; slate (color, colour)
extermination (esp. pests); expulsion; destruction
contagious disease; communicable disease; transmissible disease; infectious disease; epidemic
transport; transportation; conveyance; carriage
lowborn; humble; vulgar; coarse; shabby; greedy
internment; detainment; detention
repatriation; return; (electrical) feedback
army; armed forces; military authorities; team; group
subordinate work; assistant; servant
bacterium; bacteria; germ
force; unit; corps; squad; troops; party
Unit 731 (biological warfare unit of the Japanese Imperial Army)
state of the war; war situation
to do nothing but; to spend all one's time doing
human experiment; human experimentation; experiment on a living person
new type; new style; new model; new strain (e.g. infectious disease)
detailed; scrupulous; careful; (arch.) diligent; (arch.) honest; (arch.) upright
centrifuge; centrifugal machine
room; wife (of someone of high rank); scabbard; Chinese "Encampment" constellation (one of the 28 mansions)
hole; opening; pit; hollow; burrow; den; deficit
angrily; in a huff; in anger; high on marijuana
to crowd out; to push out; to start together; to set out en masse; to highlight; to draw attention to
to bend loosely back and forth; to wriggle; to be crooked
document; reportage; documentary; documentation
disgusting; sickening; revolting; nauseating
outbreak of war; starting a war
military authorities; army circles
plan; scheme; plot; design; project; intention
to collapse; to crumble; to get out of shape; to lose one's shape; to break down; to be thrown into disarray; to crash (stock market)
the whole area; all areas
outbreak; spring forth; generation (e.g. of power or heat); genesis; ontogeny; development of complex multicellular structures from cell(s) in a simple state
inducing; causing; triggering; giving rise to
morale (of troops, team, etc.); esprit de corps