origin; source; basis; base; cause; (raw) material; ingredient
explanation; commentary; exposition; elucidation
China and Russia; Sino-Russian
United Kingdom; UK; Britain; England
participation; joining; entry
side (of something, or taking someone's side); part; (watch) case
material; substance; matter
floating; drifting; suspension; (arch.) wandering (about)
country; state; region; national government; central government; home (i.e. hometown, home country); province (of Japan)
(United States of) America; United States; US; America (land mass); the Americas
possession; retention; maintenance; holding; keeping
classified document; confidential document
development; cultivation; application; exploitation (of resources)
vertical take off and landing; VTOL
combat ship; combat vessel
birth (of a person); nativity; creation; formation; one's first birthday
to give (esp. to someone of lower status); to bestow; to provide; to afford; to assign; to cause
outflow; effluence; efflux; outflow (of people, capital, etc.); drain (of gold, talent, etc. from a country); leak (e.g. of personal information)
to stream; to flow (liquid, time, etc.); to be washed away; to be carried; to drift; to float (e.g. clouds); to sweep (e.g. rumour, fire)
result; consequence; consequently; as a result; as a result of; following
rate; ratio; one tenth; ten percent; (comparative) profit; gain; assignment
cruel; heartless; violent; intense; very bad; terrible
foreign country; another country; another province; strange land; alien land
giving; provision; furnishing
entire world; whole world; world stage
how should I put it?; what shall I say?; well, you know; like
cruel; merciless; atrocious; pitiful; tragic; horrible
main force; main strength; main effort; primary focus
railgun (gun in which a conductive projectile is propelled using electromagnetic force)
side; flank; profile; aspect; dimension
coming and going; keeping in touch; visiting each other; street traffic; highway
relation; relationship; participation; involvement; influence; effect
part; portion; amount; worth (as in "two days' worth"); one's means; one's place; one's duty
establishment; institution; installation (of a machine or equipment)